155164122 has 24 divisors (see below), whose sum is σ = 336428820. Its totient is φ = 51684480.

The previous prime is 155164109. The next prime is 155164147. The reversal of 155164122 is 221461551.

155164122 is a `hidden beast` number, since 15 + 5 + 1 + 641 + 2 + 2 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 154778481 + 385641 = 12441^2 + 621^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 36904 + ... + 40892.

Almost surely, 2^155164122 is an apocalyptic number.

155164122 is an abundant number, since it is smaller than the sum of its proper divisors (181264698).

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

155164122 is a wasteful number, since it uses less digits than its factorization.

155164122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6158 (or 6155 counting only the distinct ones).

The product of its digits is 2400, while the sum is 27.

The square root of 155164122 is about 12456.4891522451. The cubic root of 155164122 is about 537.3580625399.

The spelling of 155164122 in words is "one hundred fifty-five million, one hundred sixty-four thousand, one hundred twenty-two".