255431144 has 16 divisors (see below), whose sum is σ = 479157120. Its totient is φ = 127655920.

The previous prime is 255431129. The next prime is 255431173. The reversal of 255431144 is 441134552.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14567 + ... + 26889.

It is an arithmetic number, because the mean of its divisors is an integer number (29947320).

Almost surely, 2^255431144 is an apocalyptic number.

It is an amenable number.

255431144 is a deficient number, since it is larger than the sum of its proper divisors (223725976).

255431144 is a wasteful number, since it uses less digits than its factorization.

255431144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14920 (or 14916 counting only the distinct ones).

The product of its digits is 9600, while the sum is 29.

The square root of 255431144 is about 15982.2133636114. The cubic root of 255431144 is about 634.4897581353.

Adding to 255431144 its reverse (441134552), we get a palindrome (696565696).

The spelling of 255431144 in words is "two hundred fifty-five million, four hundred thirty-one thousand, one hundred forty-four".