15432142652 has 24 divisors (see below), whose sum is σ = 28223699616. Its totient is φ = 7369258688.

The previous prime is 15432142639. The next prime is 15432142711. The reversal of 15432142652 is 25624123451.

It is a congruent number.

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, 68363 + ... + 188514.

It is an arithmetic number, because the mean of its divisors is an integer number (1175987484).

Almost surely, 2^15432142652 is an apocalyptic number.

It is an amenable number.

15432142652 is a deficient number, since it is larger than the sum of its proper divisors (12791556964).

15432142652 is a wasteful number, since it uses less digits than its factorization.

15432142652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 257557 (or 257555 counting only the distinct ones).

The product of its digits is 57600, while the sum is 35.

The spelling of 15432142652 in words is "fifteen billion, four hundred thirty-two million, one hundred forty-two thousand, six hundred fifty-two".