155162156 has 24 divisors (see below), whose sum is σ = 274266720. Its totient is φ = 76804992.

The previous prime is 155162149. The next prime is 155162167. The reversal of 155162156 is 651261551.

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, 213065 + ... + 213791.

It is an arithmetic number, because the mean of its divisors is an integer number (11427780).

Almost surely, 2^155162156 is an apocalyptic number.

It is an amenable number.

155162156 is a deficient number, since it is larger than the sum of its proper divisors (119104564).

155162156 is a wasteful number, since it uses less digits than its factorization.

155162156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1193 (or 1191 counting only the distinct ones).

The product of its digits is 9000, while the sum is 32.

The square root of 155162156 is about 12456.4102373035. The cubic root of 155162156 is about 537.3557930067.

The spelling of 155162156 in words is "one hundred fifty-five million, one hundred sixty-two thousand, one hundred fifty-six".