155632012 has 12 divisors (see below), whose sum is σ = 273088816. Its totient is φ = 77606640.

The previous prime is 155632003. The next prime is 155632019. The reversal of 155632012 is 210236551.

It is a hoax number, since the sum of its digits (25) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (155632019) 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 3 ways as a sum of consecutive naturals, for example, 50664 + ... + 53647.

Almost surely, 2^155632012 is an apocalyptic number.

It is an amenable number.

155632012 is a deficient number, since it is larger than the sum of its proper divisors (117456804).

155632012 is a wasteful number, since it uses less digits than its factorization.

155632012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104688 (or 104686 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 25.

The square root of 155632012 is about 12475.2559893575. The cubic root of 155632012 is about 537.8976463984.

Adding to 155632012 its reverse (210236551), we get a palindrome (365868563).

The spelling of 155632012 in words is "one hundred fifty-five million, six hundred thirty-two thousand, twelve".