15142867 has 6 divisors (see below), whose sum is σ = 15982188. Its totient is φ = 14345532.

The previous prime is 15142847. The next prime is 15142873. The reversal of 15142867 is 76824151.

It is a de Polignac number, because none of the positive numbers 2^k-15142867 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (15142847) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 20613 + ... + 21334.

It is an arithmetic number, because the mean of its divisors is an integer number (2663698).

Almost surely, 2^15142867 is an apocalyptic number.

15142867 is a deficient number, since it is larger than the sum of its proper divisors (839321).

15142867 is an equidigital number, since it uses as much as digits as its factorization.

15142867 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41985 (or 41966 counting only the distinct ones).

The product of its digits is 13440, while the sum is 34.

The square root of 15142867 is about 3891.3836870707. The cubic root of 15142867 is about 247.4017131758.

The spelling of 15142867 in words is "fifteen million, one hundred forty-two thousand, eight hundred sixty-seven".