15445455132 has 24 divisors (see below), whose sum is σ = 36041404672. Its totient is φ = 5148198000.

The previous prime is 15445455083. The next prime is 15445455169. The reversal of 15445455132 is 23155454451.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 405507 + ... + 441957.

Almost surely, 2^15445455132 is an apocalyptic number.

15445455132 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

15445455132 is an abundant number, since it is smaller than the sum of its proper divisors (20595949540).

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

15445455132 is a wasteful number, since it uses less digits than its factorization.

15445455132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71769 (or 71767 counting only the distinct ones).

The product of its digits is 240000, while the sum is 39.

The spelling of 15445455132 in words is "fifteen billion, four hundred forty-five million, four hundred fifty-five thousand, one hundred thirty-two".