155455612 has 12 divisors (see below), whose sum is σ = 292974136. Its totient is φ = 71748720.

The previous prime is 155455609. The next prime is 155455613. The reversal of 155455612 is 216554551.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (155455613) 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, 1494714 + ... + 1494817.

Almost surely, 2^155455612 is an apocalyptic number.

It is an amenable number.

155455612 is a deficient number, since it is larger than the sum of its proper divisors (137518524).

155455612 is a wasteful number, since it uses less digits than its factorization.

155455612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2989548 (or 2989546 counting only the distinct ones).

The product of its digits is 30000, while the sum is 34.

The square root of 155455612 is about 12468.1839896594. The cubic root of 155455612 is about 537.6943441446.

The spelling of 155455612 in words is "one hundred fifty-five million, four hundred fifty-five thousand, six hundred twelve".