15791142 has 16 divisors (see below), whose sum is σ = 31627440. Its totient is φ = 5256192.

The previous prime is 15791137. The next prime is 15791143. The reversal of 15791142 is 24119751.

15791142 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 not an unprimeable number, because it can be changed into a prime (15791143) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4158 + ... + 6990.

It is an arithmetic number, because the mean of its divisors is an integer number (1976715).

Almost surely, 2^15791142 is an apocalyptic number.

15791142 is an abundant number, since it is smaller than the sum of its proper divisors (15836298).

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

15791142 is a wasteful number, since it uses less digits than its factorization.

15791142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3767.

The product of its digits is 2520, while the sum is 30.

The square root of 15791142 is about 3973.8069907835. The cubic root of 15791142 is about 250.8829684620.

The spelling of 15791142 in words is "fifteen million, seven hundred ninety-one thousand, one hundred forty-two".