15445205452 has 6 divisors (see below), whose sum is σ = 27029109548. Its totient is φ = 7722602724.

The previous prime is 15445205411. The next prime is 15445205467. The reversal of 15445205452 is 25450254451.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1930650678 + ... + 1930650685.

Almost surely, 2^15445205452 is an apocalyptic number.

It is an amenable number.

15445205452 is a deficient number, since it is larger than the sum of its proper divisors (11583904096).

15445205452 is a wasteful number, since it uses less digits than its factorization.

15445205452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3861301367 (or 3861301365 counting only the distinct ones).

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

The spelling of 15445205452 in words is "fifteen billion, four hundred forty-five million, two hundred five thousand, four hundred fifty-two".