155632 has 20 divisors (see below), whose sum is σ = 308016. Its totient is φ = 76160.

The previous prime is 155627. The next prime is 155653. The reversal of 155632 is 236551.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

155632 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

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 3 ways as a sum of consecutive naturals, for example, 1068 + ... + 1204.

2¹⁵⁵⁶³² is an apocalyptic number.

It is an amenable number.

155632 is a deficient number, since it is larger than the sum of its proper divisors (152384).

155632 is a wasteful number, since it uses less digits than its factorization.

155632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 216 (or 210 counting only the distinct ones).

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

The square root of 155632 is about 394.5022179912. The cubic root of 155632 is about 53.7897632574.

It can be divided in two parts, 155 and 632, that added together give a palindrome (787).

The spelling of 155632 in words is "one hundred fifty-five thousand, six hundred thirty-two".