155636352 has 48 divisors (see below), whose sum is σ = 447863130. Its totient is φ = 51878400.

The previous prime is 155636339. The next prime is 155636357. The reversal of 155636352 is 253636551.

155636352 is a `hidden beast` number, since 15 + 5 + 6 + 3 + 635 + 2 = 666.

It can be written as a sum of positive squares in only one way, i.e., 155151936 + 484416 = 12456^2 + 696^2 .

It is a tau number, because it is divible by the number of its divisors (48).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (155636357) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 66399 + ... + 68702.

Almost surely, 2^155636352 is an apocalyptic number.

155636352 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

155636352 is an abundant number, since it is smaller than the sum of its proper divisors (292226778).

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

155636352 is a wasteful number, since it uses less digits than its factorization.

155636352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135121 (or 135106 counting only the distinct ones).

The product of its digits is 81000, while the sum is 36.

The square root of 155636352 is about 12475.4299324713. The cubic root of 155636352 is about 537.9026463425.

The spelling of 155636352 in words is "one hundred fifty-five million, six hundred thirty-six thousand, three hundred fifty-two".