15172333748224 has 45 divisors (see below), whose sum is σ = 30344738616031. Its totient is φ = 7585917583360.

The previous prime is 15172333748219. The next prime is 15172333748233. The reversal of 15172333748224 is 42284733327151.

The square root of 15172333748224 is 3895168.

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

It is a super-2 number, since 2×15172333748224² (a number of 27 digits) contains 22 as substring.

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, 498566289 + ... + 498596719.

Almost surely, 2^{15172333748224} is an apocalyptic number.

15172333748224 is the 3895168-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 15172333748224

15172333748224 is an abundant number, since it is smaller than the sum of its proper divisors (15172404867807).

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

15172333748224 is an frugal number, since it uses more digits than its factorization.

15172333748224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60890 (or 30433 counting only the distinct ones).

The product of its digits is 6773760, while the sum is 52.

The spelling of 15172333748224 in words is "fifteen trillion, one hundred seventy-two billion, three hundred thirty-three million, seven hundred forty-eight thousand, two hundred twenty-four".