255144904 has 16 divisors (see below), whose sum is σ = 546739200. Its totient is φ = 109347792.

The previous prime is 255144899. The next prime is 255144907. The reversal of 255144904 is 409441552.

It is a self number, because there is not a number n which added to its sum of digits gives 255144904.

It is not an unprimeable number, because it can be changed into a prime (255144907) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2278024 + ... + 2278135.

It is an arithmetic number, because the mean of its divisors is an integer number (34171200).

Almost surely, 2^255144904 is an apocalyptic number.

It is an amenable number.

255144904 is an abundant number, since it is smaller than the sum of its proper divisors (291594296).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

255144904 is a wasteful number, since it uses less digits than its factorization.

255144904 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4556172 (or 4556168 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 34.

The square root of 255144904 is about 15973.2558985324. The cubic root of 255144904 is about 634.2526632787.

The spelling of 255144904 in words is "two hundred fifty-five million, one hundred forty-four thousand, nine hundred four".