155148932 has 12 divisors (see below), whose sum is σ = 273333900. Its totient is φ = 77053536.

The previous prime is 155148913. The next prime is 155148941. The reversal of 155148932 is 239841551.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 14394436 + 140754496 = 3794^2 + 11864^2 .

It is a super-2 number, since 2×155148932² = 48142382201481248, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 129563 + ... + 130754.

It is an arithmetic number, because the mean of its divisors is an integer number (22777825).

Almost surely, 2^155148932 is an apocalyptic number.

It is an amenable number.

155148932 is a deficient number, since it is larger than the sum of its proper divisors (118184968).

155148932 is a wasteful number, since it uses less digits than its factorization.

155148932 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 260470 (or 260468 counting only the distinct ones).

The product of its digits is 43200, while the sum is 38.

The square root of 155148932 is about 12455.8794149590. The cubic root of 155148932 is about 537.3405268381.

The spelling of 155148932 in words is "one hundred fifty-five million, one hundred forty-eight thousand, nine hundred thirty-two".