155156028 has 24 divisors (see below), whose sum is σ = 362345088. Its totient is φ = 51673776.

The previous prime is 155156011. The next prime is 155156039. The reversal of 155156028 is 820651551.

155156028 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 155156028.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10675 + ... + 20597.

It is an arithmetic number, because the mean of its divisors is an integer number (15097712).

Almost surely, 2^155156028 is an apocalyptic number.

It is an amenable number.

155156028 is an abundant number, since it is smaller than the sum of its proper divisors (207189060).

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

155156028 is a wasteful number, since it uses less digits than its factorization.

155156028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11233 (or 11231 counting only the distinct ones).

The product of its (nonzero) digits is 12000, while the sum is 33.

The square root of 155156028 is about 12456.1642571058. The cubic root of 155156028 is about 537.3487187738.

The spelling of 155156028 in words is "one hundred fifty-five million, one hundred fifty-six thousand, twenty-eight".