15245450144 has 48 divisors (see below), whose sum is σ = 30732524928. Its totient is φ = 7442383872.

The previous prime is 15245450131. The next prime is 15245450153. The reversal of 15245450144 is 44105454251.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 210809 + ... + 273735.

It is an arithmetic number, because the mean of its divisors is an integer number (640260936).

Almost surely, 2^15245450144 is an apocalyptic number.

It is an amenable number.

15245450144 is an abundant number, since it is smaller than the sum of its proper divisors (15487074784).

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

15245450144 is a wasteful number, since it uses less digits than its factorization.

15245450144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63117 (or 63109 counting only the distinct ones).

The product of its (nonzero) digits is 64000, while the sum is 35.

The spelling of 15245450144 in words is "fifteen billion, two hundred forty-five million, four hundred fifty thousand, one hundred forty-four".