230738161 has 4 divisors (see below), whose sum is σ = 244311012. Its totient is φ = 217165312.

The previous prime is 230738159. The next prime is 230738191. The reversal of 230738161 is 161837032.

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 111513600 + 119224561 = 10560^2 + 10919^2 .

It is a cyclic number.

It is not a de Polignac number, because 230738161 - 2¹ = 230738159 is a prime.

It is not an unprimeable number, because it can be changed into a prime (230738141) 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 in 3 ways as a sum of consecutive naturals, for example, 6786400 + ... + 6786433.

It is an arithmetic number, because the mean of its divisors is an integer number (61077753).

Almost surely, 2^230738161 is an apocalyptic number.

It is an amenable number.

230738161 is a deficient number, since it is larger than the sum of its proper divisors (13572851).

230738161 is a wasteful number, since it uses less digits than its factorization.

230738161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13572850.

The product of its (nonzero) digits is 6048, while the sum is 31.

The square root of 230738161 is about 15190.0678405332. The cubic root of 230738161 is about 613.3473251836.

The spelling of 230738161 in words is "two hundred thirty million, seven hundred thirty-eight thousand, one hundred sixty-one".