155153100402 has 32 divisors (see below), whose sum is σ = 359775308160. Its totient is φ = 49469104080.

The previous prime is 155153100359. The next prime is 155153100469. The reversal of 155153100402 is 204001351551.

155153100402 is a `hidden beast` number, since 1 + 5 + 5 + 153 + 100 + 402 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 62459749 + ... + 62462232.

It is an arithmetic number, because the mean of its divisors is an integer number (11242978380).

Almost surely, 2^155153100402 is an apocalyptic number.

155153100402 is an abundant number, since it is smaller than the sum of its proper divisors (204622207758).

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

155153100402 is a wasteful number, since it uses less digits than its factorization.

155153100402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124922015 (or 124922009 counting only the distinct ones).

The product of its (nonzero) digits is 3000, while the sum is 27.

Adding to 155153100402 its reverse (204001351551), we get a palindrome (359154451953).

The spelling of 155153100402 in words is "one hundred fifty-five billion, one hundred fifty-three million, one hundred thousand, four hundred two".