255234645 has 80 divisors (see below), whose sum is σ = 473845680. Its totient is φ = 131383296.

The previous prime is 255234631. The next prime is 255234659. The reversal of 255234645 is 546432552.

255234645 is a `hidden beast` number, since 2 + 5 + 5 + 2 + 3 + 4 + 645 = 666.

It is an interprime number because it is at equal distance from previous prime (255234631) and next prime (255234659).

It can be written as a sum of positive squares in 8 ways, for example, as 13089924 + 242144721 = 3618^2 + 15561^2 .

It is not a de Polignac number, because 255234645 - 2⁵ = 255234613 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 2631237 + ... + 2631333.

It is an arithmetic number, because the mean of its divisors is an integer number (5923071).

Almost surely, 2^255234645 is an apocalyptic number.

It is an amenable number.

255234645 is a deficient number, since it is larger than the sum of its proper divisors (218611035).

255234645 is an equidigital number, since it uses as much as digits as its factorization.

255234645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 276 (or 267 counting only the distinct ones).

The product of its digits is 144000, while the sum is 36.

The square root of 255234645 is about 15976.0647532488. The cubic root of 255234645 is about 634.3270155330.

The spelling of 255234645 in words is "two hundred fifty-five million, two hundred thirty-four thousand, six hundred forty-five".