115154161 has 2 divisors, whose sum is σ = 115154162. Its totient is φ = 115154160.

The previous prime is 115154159. The next prime is 115154167. The reversal of 115154161 is 161451511.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 86862400 + 28291761 = 9320^2 + 5319^2 .

It is a cyclic number.

It is not a de Polignac number, because 115154161 - 2¹ = 115154159 is a prime.

It is a super-2 number, since 2×115154161² = 26520961591227842, which contains 22 as substring.

Together with 115154159, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (115154167) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57577080 + 57577081.

It is an arithmetic number, because the mean of its divisors is an integer number (57577081).

Almost surely, 2^115154161 is an apocalyptic number.

It is an amenable number.

115154161 is a deficient number, since it is larger than the sum of its proper divisors (1).

115154161 is an equidigital number, since it uses as much as digits as its factorization.

115154161 is an evil number, because the sum of its binary digits is even.

The product of its digits is 600, while the sum is 25.

The square root of 115154161 is about 10730.9906811999. The cubic root of 115154161 is about 486.5116135707.

The spelling of 115154161 in words is "one hundred fifteen million, one hundred fifty-four thousand, one hundred sixty-one".