15142692 has 12 divisors (see below), whose sum is σ = 35332976. Its totient is φ = 5047560.

The previous prime is 15142691. The next prime is 15142693. The reversal of 15142692 is 29624151.

15142692 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (15142691) and next prime (15142693).

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×15142692² = 458602242013728, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (15142691) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 630934 + ... + 630957.

Almost surely, 2^15142692 is an apocalyptic number.

15142692 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

15142692 is an abundant number, since it is smaller than the sum of its proper divisors (20190284).

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

15142692 is a wasteful number, since it uses less digits than its factorization.

15142692 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1261898 (or 1261896 counting only the distinct ones).

The product of its digits is 4320, while the sum is 30.

The square root of 15142692 is about 3891.3612014307. The cubic root of 15142692 is about 247.4007601316.

The spelling of 15142692 in words is "fifteen million, one hundred forty-two thousand, six hundred ninety-two".