15085442 has 4 divisors (see below), whose sum is σ = 22628166. Its totient is φ = 7542720.

The previous prime is 15085439. The next prime is 15085451. The reversal of 15085442 is 24458051.

15085442 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 14969161 + 116281 = 3869^2 + 341^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3771359 + ... + 3771362.

Almost surely, 2^15085442 is an apocalyptic number.

15085442 is a deficient number, since it is larger than the sum of its proper divisors (7542724).

15085442 is an equidigital number, since it uses as much as digits as its factorization.

15085442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7542723.

The product of its (nonzero) digits is 6400, while the sum is 29.

The square root of 15085442 is about 3883.9981977339. The cubic root of 15085442 is about 247.0885835677.

The spelling of 15085442 in words is "fifteen million, eighty-five thousand, four hundred forty-two".