155264388 has 24 divisors (see below), whose sum is σ = 366871680. Its totient is φ = 51099360.

The previous prime is 155264387. The next prime is 155264423. The reversal of 155264388 is 883462551.

It is not an unprimeable number, because it can be changed into a prime (155264387) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 80943 + ... + 82838.

It is an arithmetic number, because the mean of its divisors is an integer number (15286320).

Almost surely, 2^155264388 is an apocalyptic number.

It is an amenable number.

155264388 is an abundant number, since it is smaller than the sum of its proper divisors (211607292).

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

155264388 is a wasteful number, since it uses less digits than its factorization.

155264388 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 163867 (or 163865 counting only the distinct ones).

The product of its digits is 230400, while the sum is 42.

The square root of 155264388 is about 12460.5131515520. The cubic root of 155264388 is about 537.4737833256.

The spelling of 155264388 in words is "one hundred fifty-five million, two hundred sixty-four thousand, three hundred eighty-eight".