15345056 has 12 divisors (see below), whose sum is σ = 30210642. Its totient is φ = 7672512.

The previous prime is 15345053. The next prime is 15345059. The reversal of 15345056 is 65054351.

It is an interprime number because it is at equal distance from previous prime (15345053) and next prime (15345059).

It can be written as a sum of positive squares in only one way, i.e., 15335056 + 10000 = 3916^2 + 100^2 .

It is not an unprimeable number, because it can be changed into a prime (15345053) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 239735 + ... + 239798.

Almost surely, 2^15345056 is an apocalyptic number.

15345056 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

15345056 is a deficient number, since it is larger than the sum of its proper divisors (14865586).

15345056 is an equidigital number, since it uses as much as digits as its factorization.

15345056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 479543 (or 479535 counting only the distinct ones).

The product of its (nonzero) digits is 9000, while the sum is 29.

The square root of 15345056 is about 3917.2766049897. The cubic root of 15345056 is about 248.4979588970.

The spelling of 15345056 in words is "fifteen million, three hundred forty-five thousand, fifty-six".