155746152 has 40 divisors (see below), whose sum is σ = 436235250. Its totient is φ = 51915168.

The previous prime is 155746147. The next prime is 155746169. The reversal of 155746152 is 251647551.

155746152 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 138156516 + 17589636 = 11754^2 + 4194^2 .

It is a super-3 number, since 3×155746152³ (a number of 26 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 119527 + ... + 120822.

Almost surely, 2^155746152 is an apocalyptic number.

155746152 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

155746152 is an abundant number, since it is smaller than the sum of its proper divisors (280489098).

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

155746152 is a wasteful number, since it uses less digits than its factorization.

155746152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 240367 (or 240354 counting only the distinct ones).

The product of its digits is 42000, while the sum is 36.

The square root of 155746152 is about 12479.8298065318. The cubic root of 155746152 is about 538.0291117132.

The spelling of 155746152 in words is "one hundred fifty-five million, seven hundred forty-six thousand, one hundred fifty-two".