143144131 has 16 divisors (see below), whose sum is σ = 163749600. Its totient is φ = 123959808.

The previous prime is 143144123. The next prime is 143144137. The reversal of 143144131 is 131441341.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 143144131 - 2³ = 143144123 is a prime.

It is a super-2 number, since 2×143144131² = 40980484479490322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (143144137) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 82905 + ... + 84613.

It is an arithmetic number, because the mean of its divisors is an integer number (10234350).

Almost surely, 2^143144131 is an apocalyptic number.

143144131 is a deficient number, since it is larger than the sum of its proper divisors (20605469).

143144131 is a wasteful number, since it uses less digits than its factorization.

143144131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2118.

The product of its digits is 576, while the sum is 22.

The square root of 143144131 is about 11964.2856452026. The cubic root of 143144131 is about 523.1077835394.

Adding to 143144131 its reverse (131441341), we get a palindrome (274585472).

The spelling of 143144131 in words is "one hundred forty-three million, one hundred forty-four thousand, one hundred thirty-one".