15142161 has 16 divisors (see below), whose sum is σ = 20801088. Its totient is φ = 9792000.

The previous prime is 15142157. The next prime is 15142177. The reversal of 15142161 is 16124151.

It is not a de Polignac number, because 15142161 - 2² = 15142157 is a prime.

It is not an unprimeable number, because it can be changed into a prime (15142151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 37561 + ... + 37961.

It is an arithmetic number, because the mean of its divisors is an integer number (1300068).

Almost surely, 2^15142161 is an apocalyptic number.

It is an amenable number.

15142161 is a deficient number, since it is larger than the sum of its proper divisors (5658927).

15142161 is a wasteful number, since it uses less digits than its factorization.

15142161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 752.

The product of its digits is 240, while the sum is 21.

The square root of 15142161 is about 3891.2929727791. The cubic root of 15142161 is about 247.3978682781.

The spelling of 15142161 in words is "fifteen million, one hundred forty-two thousand, one hundred sixty-one".