155881324 has 12 divisors (see below), whose sum is σ = 274941184. Its totient is φ = 77326704.

The previous prime is 155881309. The next prime is 155881337. The reversal of 155881324 is 423188551.

155881324 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 152919 + ... + 153934.

Almost surely, 2^155881324 is an apocalyptic number.

It is an amenable number.

155881324 is a deficient number, since it is larger than the sum of its proper divisors (119059860).

155881324 is a wasteful number, since it uses less digits than its factorization.

155881324 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 306984 (or 306982 counting only the distinct ones).

The product of its digits is 38400, while the sum is 37.

The square root of 155881324 is about 12485.2442507145. The cubic root of 155881324 is about 538.1847184286.

The spelling of 155881324 in words is "one hundred fifty-five million, eight hundred eighty-one thousand, three hundred twenty-four".