15090157 has 2 divisors, whose sum is σ = 15090158. Its totient is φ = 15090156.

The previous prime is 15090137. The next prime is 15090167. The reversal of 15090157 is 75109051.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10201636 + 4888521 = 3194^2 + 2211^2 .

It is a cyclic number.

It is not a de Polignac number, because 15090157 - 2⁷ = 15090029 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (15090137) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7545078 + 7545079.

It is an arithmetic number, because the mean of its divisors is an integer number (7545079).

Almost surely, 2^15090157 is an apocalyptic number.

It is an amenable number.

15090157 is a deficient number, since it is larger than the sum of its proper divisors (1).

15090157 is an equidigital number, since it uses as much as digits as its factorization.

15090157 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1575, while the sum is 28.

The square root of 15090157 is about 3884.6051279377. The cubic root of 15090157 is about 247.1143236447.

The spelling of 15090157 in words is "fifteen million, ninety thousand, one hundred fifty-seven".