155156 has 12 divisors (see below), whose sum is σ = 275520. Its totient is φ = 76440.

The previous prime is 155153. The next prime is 155161. The reversal of 155156 is 651551.

It is a nialpdrome in base 11.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (155153) 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, 71 + ... + 561.

It is an arithmetic number, because the mean of its divisors is an integer number (22960).

2¹⁵⁵¹⁵⁶ is an apocalyptic number.

It is an amenable number.

155156 is a deficient number, since it is larger than the sum of its proper divisors (120364).

155156 is a wasteful number, since it uses less digits than its factorization.

155156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 574 (or 572 counting only the distinct ones).

The product of its digits is 750, while the sum is 23.

The square root of 155156 is about 393.8984640742. The cubic root of 155156 is about 53.7348686450.

The spelling of 155156 in words is "one hundred fifty-five thousand, one hundred fifty-six".