15142256 has 10 divisors (see below), whose sum is σ = 29338152. Its totient is φ = 7571120.

The previous prime is 15142249. The next prime is 15142273. The reversal of 15142256 is 65224151.

15142256 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 473180 + ... + 473211.

Almost surely, 2^15142256 is an apocalyptic number.

15142256 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

15142256 is a deficient number, since it is larger than the sum of its proper divisors (14195896).

15142256 is an equidigital number, since it uses as much as digits as its factorization.

15142256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 946399 (or 946393 counting only the distinct ones).

The product of its digits is 2400, while the sum is 26.

The square root of 15142256 is about 3891.3051794995. The cubic root of 15142256 is about 247.3983856580.

The spelling of 15142256 in words is "fifteen million, one hundred forty-two thousand, two hundred fifty-six".