15342545644 has 6 divisors (see below), whose sum is σ = 26849454884. Its totient is φ = 7671272820.

The previous prime is 15342545587. The next prime is 15342545651. The reversal of 15342545644 is 44654524351.

It is a self number, because there is not a number n which added to its sum of digits gives 15342545644.

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 as a sum of consecutive naturals, namely, 1917818202 + ... + 1917818209.

Almost surely, 2^15342545644 is an apocalyptic number.

It is an amenable number.

15342545644 is a deficient number, since it is larger than the sum of its proper divisors (11506909240).

15342545644 is a wasteful number, since it uses less digits than its factorization.

15342545644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3835636415 (or 3835636413 counting only the distinct ones).

The product of its digits is 1152000, while the sum is 43.

The spelling of 15342545644 in words is "fifteen billion, three hundred forty-two million, five hundred forty-five thousand, six hundred forty-four".