15245045452 has 24 divisors (see below), whose sum is σ = 32835483296. Its totient is φ = 6031006848.

The previous prime is 15245045423. The next prime is 15245045471. The reversal of 15245045452 is 25454054251.

It is a super-2 number, since 2×15245045452² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 20940633 + ... + 20941360.

Almost surely, 2^15245045452 is an apocalyptic number.

It is an amenable number.

15245045452 is an abundant number, since it is smaller than the sum of its proper divisors (17590437844).

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

15245045452 is a wasteful number, since it uses less digits than its factorization.

15245045452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41882017 (or 41882015 counting only the distinct ones).

The product of its (nonzero) digits is 160000, while the sum is 37.

The spelling of 15245045452 in words is "fifteen billion, two hundred forty-five million, forty-five thousand, four hundred fifty-two".