15156161 has 4 divisors (see below), whose sum is σ = 15306324. Its totient is φ = 15006000.

The previous prime is 15156083. The next prime is 15156181. The reversal of 15156161 is 16165151.

15156161 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 13987600 + 1168561 = 3740^2 + 1081^2 .

It is a cyclic number.

It is not a de Polignac number, because 15156161 - 2¹⁴ = 15139777 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 15156161.

It is not an unprimeable number, because it can be changed into a prime (15156181) 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, 74930 + ... + 75131.

It is an arithmetic number, because the mean of its divisors is an integer number (3826581).

Almost surely, 2^15156161 is an apocalyptic number.

It is an amenable number.

15156161 is a deficient number, since it is larger than the sum of its proper divisors (150163).

15156161 is a wasteful number, since it uses less digits than its factorization.

15156161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 150162.

The product of its digits is 900, while the sum is 26.

The square root of 15156161 is about 3893.0914451115. The cubic root of 15156161 is about 247.4740904075.

The spelling of 15156161 in words is "fifteen million, one hundred fifty-six thousand, one hundred sixty-one".