155130232 has 16 divisors (see below), whose sum is σ = 291002760. Its totient is φ = 77529504.

The previous prime is 155130229. The next prime is 155130263. The reversal of 155130232 is 232031551.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27823 + ... + 32929.

Almost surely, 2^155130232 is an apocalyptic number.

It is an amenable number.

155130232 is a deficient number, since it is larger than the sum of its proper divisors (135872528).

155130232 is a wasteful number, since it uses less digits than its factorization.

155130232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8910 (or 8906 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 22.

The square root of 155130232 is about 12455.1287428111. The cubic root of 155130232 is about 537.3189375358.

Adding to 155130232 its reverse (232031551), we get a palindrome (387161783).

The spelling of 155130232 in words is "one hundred fifty-five million, one hundred thirty thousand, two hundred thirty-two".