15243942 has 16 divisors (see below), whose sum is σ = 34843392. Its totient is φ = 4355400.

The previous prime is 15243931. The next prime is 15243959. The reversal of 15243942 is 24934251.

15243942 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 in 7 ways as a sum of consecutive naturals, for example, 181434 + ... + 181517.

It is an arithmetic number, because the mean of its divisors is an integer number (2177712).

Almost surely, 2^15243942 is an apocalyptic number.

15243942 is an abundant number, since it is smaller than the sum of its proper divisors (19599450).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

15243942 is a wasteful number, since it uses less digits than its factorization.

15243942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 362963.

The product of its digits is 8640, while the sum is 30.

The square root of 15243942 is about 3904.3491134887. The cubic root of 15243942 is about 247.9509419959.

The spelling of 15243942 in words is "fifteen million, two hundred forty-three thousand, nine hundred forty-two".