15332157 has 6 divisors (see below), whose sum is σ = 22146462. Its totient is φ = 10221432.

The previous prime is 15332129. The next prime is 15332173. The reversal of 15332157 is 75123351.

It can be written as a sum of positive squares in only one way, i.e., 15163236 + 168921 = 3894^2 + 411^2 .

It is not a de Polignac number, because 15332157 - 2¹¹ = 15330109 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 15332157.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15332257) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 851778 + ... + 851795.

It is an arithmetic number, because the mean of its divisors is an integer number (3691077).

Almost surely, 2^15332157 is an apocalyptic number.

It is an amenable number.

15332157 is a deficient number, since it is larger than the sum of its proper divisors (6814305).

15332157 is a wasteful number, since it uses less digits than its factorization.

15332157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1703579 (or 1703576 counting only the distinct ones).

The product of its digits is 3150, while the sum is 27.

The square root of 15332157 is about 3915.6298343945. The cubic root of 15332157 is about 248.4283105418.

The spelling of 15332157 in words is "fifteen million, three hundred thirty-two thousand, one hundred fifty-seven".