15240902 has 8 divisors (see below), whose sum is σ = 23598912. Its totient is φ = 7374600.

The previous prime is 15240899. The next prime is 15240913. The reversal of 15240902 is 20904251.

15240902 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 122849 + ... + 122972.

It is an arithmetic number, because the mean of its divisors is an integer number (2949864).

Almost surely, 2^15240902 is an apocalyptic number.

15240902 is a deficient number, since it is larger than the sum of its proper divisors (8358010).

15240902 is a wasteful number, since it uses less digits than its factorization.

15240902 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 245854.

The product of its (nonzero) digits is 720, while the sum is 23.

The square root of 15240902 is about 3903.9597846289. The cubic root of 15240902 is about 247.9344584866.

The spelling of 15240902 in words is "fifteen million, two hundred forty thousand, nine hundred two".