230118157 has 6 divisors (see below), whose sum is σ = 235120718. Its totient is φ = 225219864.

The previous prime is 230118143. The next prime is 230118167. The reversal of 230118157 is 751811032.

It can be written as a sum of positive squares in only one way, i.e., 175668516 + 54449641 = 13254^2 + 7379^2 .

It is not a de Polignac number, because 230118157 - 2¹¹ = 230116109 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (230118167) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 49878 + ... + 54295.

Almost surely, 2^230118157 is an apocalyptic number.

It is an amenable number.

230118157 is a deficient number, since it is larger than the sum of its proper divisors (5002561).

230118157 is an equidigital number, since it uses as much as digits as its factorization.

230118157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104267 (or 104220 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 28.

The square root of 230118157 is about 15169.6459088536. The cubic root of 230118157 is about 612.7974682799.

Adding to 230118157 its reverse (751811032), we get a palindrome (981929189).

The spelling of 230118157 in words is "two hundred thirty million, one hundred eighteen thousand, one hundred fifty-seven".