15872542 has 16 divisors (see below), whose sum is σ = 27284832. Its totient is φ = 6783840.

The previous prime is 15872539. The next prime is 15872561. The reversal of 15872542 is 24527851.

It is a happy number.

15872542 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 15872498 and 15872507.

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, 4548 + ... + 7240.

It is an arithmetic number, because the mean of its divisors is an integer number (1705302).

Almost surely, 2^15872542 is an apocalyptic number.

15872542 is a deficient number, since it is larger than the sum of its proper divisors (11412290).

15872542 is a wasteful number, since it uses less digits than its factorization.

15872542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3123.

The product of its digits is 22400, while the sum is 34.

The square root of 15872542 is about 3984.0358934126. The cubic root of 15872542 is about 251.3133127574.

The spelling of 15872542 in words is "fifteen million, eight hundred seventy-two thousand, five hundred forty-two".