255145504502 has 16 divisors (see below), whose sum is σ = 449213707680. Its totient is φ = 106392719808.

The previous prime is 255145504501. The next prime is 255145504571. The reversal of 255145504502 is 205405541552.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (255145504501) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 246278927 + ... + 246279962.

It is an arithmetic number, because the mean of its divisors is an integer number (28075856730).

Almost surely, 2^255145504502 is an apocalyptic number.

255145504502 is a deficient number, since it is larger than the sum of its proper divisors (194068203178).

255145504502 is a wasteful number, since it uses less digits than its factorization.

255145504502 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 492558935.

The product of its (nonzero) digits is 200000, while the sum is 38.

The spelling of 255145504502 in words is "two hundred fifty-five billion, one hundred forty-five million, five hundred four thousand, five hundred two".