15157472 has 72 divisors (see below), whose sum is σ = 34813800. Its totient is φ = 6440960.

The previous prime is 15157469. The next prime is 15157487. The reversal of 15157472 is 27475151.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 101654 + ... + 101802.

It is an arithmetic number, because the mean of its divisors is an integer number (483525).

Almost surely, 2^15157472 is an apocalyptic number.

15157472 is the 3179-th pentagonal number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 15157472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17406900).

15157472 is an abundant number, since it is smaller than the sum of its proper divisors (19656328).

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

15157472 is a wasteful number, since it uses less digits than its factorization.

15157472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 204 (or 179 counting only the distinct ones).

The product of its digits is 9800, while the sum is 32.

The square root of 15157472 is about 3893.2598166575. The cubic root of 15157472 is about 247.4812256616.

The spelling of 15157472 in words is "fifteen million, one hundred fifty-seven thousand, four hundred seventy-two".