230146181 has 2 divisors, whose sum is σ = 230146182. Its totient is φ = 230146180.

The previous prime is 230146159. The next prime is 230146199. The reversal of 230146181 is 181641032.

230146181 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 140541025 + 89605156 = 11855^2 + 9466^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-230146181 is a prime.

It is a super-2 number, since 2×230146181² = 105934529257769522, which contains 22 as substring.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 230146181.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (230146381) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115073090 + 115073091.

It is an arithmetic number, because the mean of its divisors is an integer number (115073091).

Almost surely, 2^230146181 is an apocalyptic number.

It is an amenable number.

230146181 is a deficient number, since it is larger than the sum of its proper divisors (1).

230146181 is an equidigital number, since it uses as much as digits as its factorization.

230146181 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1152, while the sum is 26.

The square root of 230146181 is about 15170.5695674223. The cubic root of 230146181 is about 612.8223429492.

The spelling of 230146181 in words is "two hundred thirty million, one hundred forty-six thousand, one hundred eighty-one".