Lindsay Lohan -- Banned From Swanky Sunset Strip Hotel

Lindsay Lohan stiffed the famous Chateau Marmont hotel to the tune of $46,350.04, and she is now persona non grata.

TMZ has obtained a letter from the General Manager of the hotel where John Belushi infamously OD'd and died ... The GM notes the hotel repeatedly requested payment for the 47 days Lindsay stayed there during the months of June and July ... but LiLo never anted up.

Lindsay -- who had been living at the hotel -- was ordered to get her stuff out by 12 PM August 1. She was then banned from the entire property.

Now get this ... We also got the itemized bill for June and July, and it's clear -- Lindsay spends like a drunken sailor.

-- Minibar charges for the 47 days: $3,145.07. The highest daily tab ... July 1st -- $502.43!!!

-- Cigarettes: $686. She blew through 49 packs in 47 days at $14 a pop

-- Chateau Candle: $100

-- Chateau restaurant: On July 4 Lindsay racked up a $1,992.07 bill. On top of that, she spent $685.96 that day on room service