155522652 has 24 divisors (see below), whose sum is σ = 365500800. Its totient is φ = 51467376.

The previous prime is 155522641. The next prime is 155522663. The reversal of 155522652 is 256225551.

It is an interprime number because it is at equal distance from previous prime (155522641) and next prime (155522663).

It is a super-2 number, since 2×155522652² = 48374590570226208, 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 7 ways as a sum of consecutive naturals, for example, 44952 + ... + 48287.

It is an arithmetic number, because the mean of its divisors is an integer number (15229200).

Almost surely, 2^155522652 is an apocalyptic number.

155522652 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

155522652 is an abundant number, since it is smaller than the sum of its proper divisors (209978148).

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

155522652 is a wasteful number, since it uses less digits than its factorization.

155522652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93385 (or 93383 counting only the distinct ones).

The product of its digits is 30000, while the sum is 33.

The square root of 155522652 is about 12470.8721427172. The cubic root of 155522652 is about 537.7716263301.

The spelling of 155522652 in words is "one hundred fifty-five million, five hundred twenty-two thousand, six hundred fifty-two".