155235052 has 12 divisors (see below), whose sum is σ = 310470160. Its totient is φ = 66529296.

The previous prime is 155235049. The next prime is 155235053. The reversal of 155235052 is 250532551.

155235052 is an admirable number.

It is a Harshad number since it is a multiple of its sum of digits (28), and also a Moran number because the ratio is a prime number: 5544109 = 155235052 / (1 + 5 + 5 + 2 + 3 + 5 + 0 + 5 + 2).

It is a self number, because there is not a number n which added to its sum of digits gives 155235052.

It is not an unprimeable number, because it can be changed into a prime (155235053) 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, 2772027 + ... + 2772082.

Almost surely, 2^155235052 is an apocalyptic number.

It is an amenable number.

155235052 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

155235052 is a wasteful number, since it uses less digits than its factorization.

155235052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5544120 (or 5544118 counting only the distinct ones).

The product of its (nonzero) digits is 7500, while the sum is 28.

The square root of 155235052 is about 12459.3359373604. The cubic root of 155235052 is about 537.4399306947.

The spelling of 155235052 in words is "one hundred fifty-five million, two hundred thirty-five thousand, fifty-two".