15144204052 has 6 divisors (see below), whose sum is σ = 26502357098. Its totient is φ = 7572102024.

The previous prime is 15144204043. The next prime is 15144204083. The reversal of 15144204052 is 25040244151.

It can be written as a sum of positive squares in only one way, i.e., 14965607556 + 178596496 = 122334^2 + 13364^2 .

It is a super-2 number, since 2×15144204052² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 15144204052.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1893025503 + ... + 1893025510.

Almost surely, 2^15144204052 is an apocalyptic number.

It is an amenable number.

15144204052 is a deficient number, since it is larger than the sum of its proper divisors (11358153046).

15144204052 is a wasteful number, since it uses less digits than its factorization.

15144204052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3786051017 (or 3786051015 counting only the distinct ones).

The product of its (nonzero) digits is 6400, while the sum is 28.

The spelling of 15144204052 in words is "fifteen billion, one hundred forty-four million, two hundred four thousand, fifty-two".