15045023532 has 96 divisors (see below), whose sum is σ = 43929575424. Its totient is φ = 3893313600.

The previous prime is 15045023531. The next prime is 15045023533. The reversal of 15045023532 is 23532054051.

It is an interprime number because it is at equal distance from previous prime (15045023531) and next prime (15045023533).

It is a self number, because there is not a number n which added to its sum of digits gives 15045023532.

It is not an unprimeable number, because it can be changed into a prime (15045023531) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 220363 + ... + 280445.

It is an arithmetic number, because the mean of its divisors is an integer number (457599744).

Almost surely, 2^15045023532 is an apocalyptic number.

15045023532 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 15045023532, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21964787712).

15045023532 is an abundant number, since it is smaller than the sum of its proper divisors (28884551892).

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

15045023532 is a wasteful number, since it uses less digits than its factorization.

15045023532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60379 (or 60377 counting only the distinct ones).

The product of its (nonzero) digits is 18000, while the sum is 30.

Adding to 15045023532 its reverse (23532054051), we get a palindrome (38577077583).

The spelling of 15045023532 in words is "fifteen billion, forty-five million, twenty-three thousand, five hundred thirty-two".