15245046252 has 72 divisors (see below), whose sum is σ = 38965464720. Its totient is φ = 5025187200.

The previous prime is 15245046241. The next prime is 15245046253. The reversal of 15245046252 is 25264054251.

15245046252 is a `hidden beast` number, since 1 + 5 + 24 + 5 + 0 + 4 + 625 + 2 = 666.

It is a super-2 number, since 2×15245046252² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (15245046253) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3681199 + ... + 3685337.

It is an arithmetic number, because the mean of its divisors is an integer number (541187010).

Almost surely, 2^15245046252 is an apocalyptic number.

15245046252 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

15245046252 is an abundant number, since it is smaller than the sum of its proper divisors (23720418468).

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

15245046252 is a wasteful number, since it uses less digits than its factorization.

15245046252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5263 (or 5258 counting only the distinct ones).

The product of its (nonzero) digits is 96000, while the sum is 36.

The spelling of 15245046252 in words is "fifteen billion, two hundred forty-five million, forty-six thousand, two hundred fifty-two".