155712052 has 12 divisors (see below), whose sum is σ = 272731396. Its totient is φ = 77788800.

The previous prime is 155712023. The next prime is 155712083. The reversal of 155712052 is 250217551.

It can be written as a sum of positive squares in 2 ways, for example, as 57820816 + 97891236 = 7604^2 + 9894^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 155712052.

It is a congruent number.

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, 11403 + ... + 21010.

Almost surely, 2^155712052 is an apocalyptic number.

It is an amenable number.

155712052 is a deficient number, since it is larger than the sum of its proper divisors (117019344).

155712052 is a wasteful number, since it uses less digits than its factorization.

155712052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33618 (or 33616 counting only the distinct ones).

The product of its (nonzero) digits is 3500, while the sum is 28.

The square root of 155712052 is about 12478.4635272136. The cubic root of 155712052 is about 537.9898424030.

The spelling of 155712052 in words is "one hundred fifty-five million, seven hundred twelve thousand, fifty-two".