15457202156 has 18 divisors (see below), whose sum is σ = 29510778612. Its totient is φ = 7025626120.

The previous prime is 15457202149. The next prime is 15457202207. The reversal of 15457202156 is 65120275451.

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 5 ways as a sum of consecutive naturals, for example, 815321 + ... + 834063.

Almost surely, 2^15457202156 is an apocalyptic number.

It is an amenable number.

15457202156 is a deficient number, since it is larger than the sum of its proper divisors (14053576456).

15457202156 is an frugal number, since it uses more digits than its factorization.

15457202156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37501 (or 18756 counting only the distinct ones).

The product of its (nonzero) digits is 84000, while the sum is 38.

The spelling of 15457202156 in words is "fifteen billion, four hundred fifty-seven million, two hundred two thousand, one hundred fifty-six".