15628000144 has 15 divisors (see below), whose sum is σ = 30280219153. Its totient is φ = 7813750048.

The previous prime is 15628000139. The next prime is 15628000151. The reversal of 15628000144 is 44100082651.

The square root of 15628000144 is 125012.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 9623610000 + 6004390144 = 98100^2 + 77488^2 .

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 484422 + ... + 515674.

Almost surely, 2^15628000144 is an apocalyptic number.

15628000144 is the 125012-nd square number.

It is an amenable number.

15628000144 is a deficient number, since it is larger than the sum of its proper divisors (14652219009).

15628000144 is an frugal number, since it uses more digits than its factorization.

15628000144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62514 (or 31255 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 31.

Adding to 15628000144 its reverse (44100082651), we get a palindrome (59728082795).

The spelling of 15628000144 in words is "fifteen billion, six hundred twenty-eight million, one hundred forty-four", and thus it is an aban number.