155107152 has 60 divisors (see below), whose sum is σ = 436411924. Its totient is φ = 51425280.

The previous prime is 155107151. The next prime is 155107157. The reversal of 155107152 is 251701551.

It can be written as a sum of positive squares in 2 ways, for example, as 43086096 + 112021056 = 6564^2 + 10584^2 .

It is a super-2 number, since 2×155107152² = 48116457203102208, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (155107151) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 25002 + ... + 30582.

Almost surely, 2^155107152 is an apocalyptic number.

155107152 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 155107152, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (218205962).

155107152 is an abundant number, since it is smaller than the sum of its proper divisors (281304772).

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

155107152 is a wasteful number, since it uses less digits than its factorization.

155107152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5788 (or 5779 counting only the distinct ones).

The product of its (nonzero) digits is 1750, while the sum is 27.

The square root of 155107152 is about 12454.2021823961. The cubic root of 155107152 is about 537.2922890956.

The spelling of 155107152 in words is "one hundred fifty-five million, one hundred seven thousand, one hundred fifty-two".