15115142 has 32 divisors (see below), whose sum is σ = 28123200. Its totient is φ = 5944320.

The previous prime is 15115103. The next prime is 15115169. The reversal of 15115142 is 24151151.

15115142 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 15 ways as a sum of consecutive naturals, for example, 8984 + ... + 10532.

It is an arithmetic number, because the mean of its divisors is an integer number (878850).

Almost surely, 2^15115142 is an apocalyptic number.

15115142 is a deficient number, since it is larger than the sum of its proper divisors (13008058).

15115142 is a wasteful number, since it uses less digits than its factorization.

15115142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1616.

The product of its digits is 200, while the sum is 20.

The square root of 15115142 is about 3887.8196974654. The cubic root of 15115142 is about 247.2506320776.

Adding to 15115142 its reverse (24151151), we get a palindrome (39266293).

The spelling of 15115142 in words is "fifteen million, one hundred fifteen thousand, one hundred forty-two".