155162864 has 20 divisors (see below), whose sum is σ = 301598256. Its totient is φ = 77331072.

The previous prime is 155162837. The next prime is 155162869. The reversal of 155162864 is 468261551.

It is a happy number.

It is a Smith number, since the sum of its digits (38) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (155162869) 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, 10484 + ... + 20499.

Almost surely, 2^155162864 is an apocalyptic number.

It is an amenable number.

155162864 is a deficient number, since it is larger than the sum of its proper divisors (146435392).

155162864 is a wasteful number, since it uses less digits than its factorization.

155162864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31304 (or 31298 counting only the distinct ones).

The product of its digits is 57600, while the sum is 38.

The square root of 155162864 is about 12456.4386563737. The cubic root of 155162864 is about 537.3566103179.

The spelling of 155162864 in words is "one hundred fifty-five million, one hundred sixty-two thousand, eight hundred sixty-four".