15045487932 has 12 divisors (see below), whose sum is σ = 35106138536. Its totient is φ = 5015162640.

The previous prime is 15045487909. The next prime is 15045487939. The reversal of 15045487932 is 23978454051.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×15045487932² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15045487939) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 626895319 + ... + 626895342.

Almost surely, 2^15045487932 is an apocalyptic number.

15045487932 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

15045487932 is an abundant number, since it is smaller than the sum of its proper divisors (20060650604).

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

15045487932 is a wasteful number, since it uses less digits than its factorization.

15045487932 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1253790668 (or 1253790666 counting only the distinct ones).

The product of its (nonzero) digits is 1209600, while the sum is 48.

The spelling of 15045487932 in words is "fifteen billion, forty-five million, four hundred eighty-seven thousand, nine hundred thirty-two".