143 (number)

143 is a whole number. It comes after 142 and before 144.

In mathematics

143 is a composite number. This means it has more factors than just 1 and itself.
It is the product of two prime numbers: 11 and 13. Since 11 and 13 are next to each other in the list of prime numbers, 143 is the product of two consecutive prime numbers.

Many people use 143 as a code for “I love you.” This is because the phrase “I love you” has 1, 4, and 3 letters in each word, respectively.