155867152 has 80 divisors (see below), whose sum is σ = 370904832. Its totient is φ = 61931520.

The previous prime is 155867149. The next prime is 155867167. The reversal of 155867152 is 251768551.

It is a happy number.

It is a super-2 number, since 2×155867152² = 48589138145182208, which contains 22 as substring.

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, 134608 + ... + 135760.

Almost surely, 2^155867152 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 155867152, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (185452416).

155867152 is an abundant number, since it is smaller than the sum of its proper divisors (215037680).

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

155867152 is a wasteful number, since it uses less digits than its factorization.

155867152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1256 (or 1250 counting only the distinct ones).

The product of its digits is 84000, while the sum is 40.

The square root of 155867152 is about 12484.6766878442. The cubic root of 155867152 is about 538.1684081896.

The spelling of 155867152 in words is "one hundred fifty-five million, eight hundred sixty-seven thousand, one hundred fifty-two".