155450232 has 64 divisors (see below), whose sum is σ = 493497600. Its totient is φ = 44413920.

The previous prime is 155450189. The next prime is 155450263. The reversal of 155450232 is 232054551.

It is a happy number.

155450232 is a `hidden beast` number, since 155 + 4 + 502 + 3 + 2 = 666.

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

It is a junction number, because it is equal to n+sod(n) for n = 155450196 and 155450205.

It is a congruent number.

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, 49894 + ... + 52917.

It is an arithmetic number, because the mean of its divisors is an integer number (7710900).

Almost surely, 2^155450232 is an apocalyptic number.

155450232 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

155450232 is an abundant number, since it is smaller than the sum of its proper divisors (338047368).

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

155450232 is a wasteful number, since it uses less digits than its factorization.

155450232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102833 (or 102823 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 27.

The square root of 155450232 is about 12467.9682386506. The cubic root of 155450232 is about 537.6881412401.

The spelling of 155450232 in words is "one hundred fifty-five million, four hundred fifty thousand, two hundred thirty-two".