115161149 has 2 divisors, whose sum is σ = 115161150. Its totient is φ = 115161148.

The previous prime is 115161091. The next prime is 115161157. The reversal of 115161149 is 941161511.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 111619225 + 3541924 = 10565^2 + 1882^2 .

It is a cyclic number.

It is not a de Polignac number, because 115161149 - 2²⁰ = 114112573 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (115161049) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57580574 + 57580575.

It is an arithmetic number, because the mean of its divisors is an integer number (57580575).

Almost surely, 2^115161149 is an apocalyptic number.

It is an amenable number.

115161149 is a deficient number, since it is larger than the sum of its proper divisors (1).

115161149 is an equidigital number, since it uses as much as digits as its factorization.

115161149 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1080, while the sum is 29.

The square root of 115161149 is about 10731.3162752758. The cubic root of 115161149 is about 486.5214545073.

The spelling of 115161149 in words is "one hundred fifteen million, one hundred sixty-one thousand, one hundred forty-nine".