15328345 has 16 divisors (see below), whose sum is σ = 19779840. Its totient is φ = 11366784.

The previous prime is 15328333. The next prime is 15328387. The reversal of 15328345 is 54382351.

It is a cyclic number.

It is not a de Polignac number, because 15328345 - 2⁷ = 15328217 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2749 + ... + 6181.

It is an arithmetic number, because the mean of its divisors is an integer number (1236240).

Almost surely, 2^15328345 is an apocalyptic number.

It is an amenable number.

15328345 is a deficient number, since it is larger than the sum of its proper divisors (4451495).

15328345 is a wasteful number, since it uses less digits than its factorization.

15328345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3504.

The product of its digits is 14400, while the sum is 31.

The square root of 15328345 is about 3915.1430369783. The cubic root of 15328345 is about 248.4077201096.

The spelling of 15328345 in words is "fifteen million, three hundred twenty-eight thousand, three hundred forty-five".