155522152 has 16 divisors (see below), whose sum is σ = 293832000. Its totient is φ = 77166960.

The previous prime is 155522149. The next prime is 155522167. The reversal of 155522152 is 251225551.

It is a super-2 number, since 2×155522152² = 48374279525422208, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 155522152.

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, 73152 + ... + 75247.

It is an arithmetic number, because the mean of its divisors is an integer number (18364500).

Almost surely, 2^155522152 is an apocalyptic number.

It is an amenable number.

155522152 is a deficient number, since it is larger than the sum of its proper divisors (138309848).

155522152 is a wasteful number, since it uses less digits than its factorization.

155522152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 148536 (or 148532 counting only the distinct ones).

The product of its digits is 5000, while the sum is 28.

The square root of 155522152 is about 12470.8520959877. The cubic root of 155522152 is about 537.7710500237.

The spelling of 155522152 in words is "one hundred fifty-five million, five hundred twenty-two thousand, one hundred fifty-two".