155045952 has 42 divisors (see below), whose sum is σ = 444412878. Its totient is φ = 51681792.

The previous prime is 155045929. The next prime is 155045959. The reversal of 155045952 is 259540551.

155045952 is a `hidden beast` number, since 1 + 550 + 4 + 59 + 52 = 666.

It can be written as a sum of positive squares in only one way, i.e., 103550976 + 51494976 = 10176^2 + 7176^2 .

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

It is not an unprimeable number, because it can be changed into a prime (155045959) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 134013 + ... + 135164.

It is an arithmetic number, because the mean of its divisors is an integer number (10581259).

Almost surely, 2^155045952 is an apocalyptic number.

155045952 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

155045952 is an abundant number, since it is smaller than the sum of its proper divisors (289366926).

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

155045952 is a wasteful number, since it uses less digits than its factorization.

155045952 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 269195 (or 269182 counting only the distinct ones).

The product of its (nonzero) digits is 45000, while the sum is 36.

The square root of 155045952 is about 12451.7449379595. The cubic root of 155045952 is about 537.2216140528.

The spelling of 155045952 in words is "one hundred fifty-five million, forty-five thousand, nine hundred fifty-two".