155868324 has 48 divisors (see below), whose sum is σ = 389356800. Its totient is φ = 48383136.

The previous prime is 155868319. The next prime is 155868371. The reversal of 155868324 is 423868551.

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, 7659 + ... + 19245.

It is an arithmetic number, because the mean of its divisors is an integer number (8111600).

Almost surely, 2^155868324 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 155868324, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (194678400).

155868324 is an abundant number, since it is smaller than the sum of its proper divisors (233488476).

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

155868324 is a wasteful number, since it uses less digits than its factorization.

155868324 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11672 (or 11670 counting only the distinct ones).

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

The square root of 155868324 is about 12484.7236252950. The cubic root of 155868324 is about 538.1697570557.

The spelling of 155868324 in words is "one hundred fifty-five million, eight hundred sixty-eight thousand, three hundred twenty-four".