what is 143

143 is a numerical expression that means "I love you." It became popularized in the 1990s when people were using pagers, and it is still used today as an internet slang term. The number 143 is broken down by the number of letters in each word of the sentence "I love you." The number 1 represents the letter "I," the number 4 represents the letters in the word "love," and the number 3 represents the letters in the word "you."