230590145 has 4 divisors (see below), whose sum is σ = 276708180. Its totient is φ = 184472112.

The previous prime is 230590141. The next prime is 230590201. The reversal of 230590145 is 541095032.

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 54656449 + 175933696 = 7393^2 + 13264^2 .

It is a cyclic number.

It is not a de Polignac number, because 230590145 - 2² = 230590141 is a prime.

It is a super-2 number, since 2×230590145² = 106343629942242050, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (230590141) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23059010 + ... + 23059019.

It is an arithmetic number, because the mean of its divisors is an integer number (69177045).

Almost surely, 2^230590145 is an apocalyptic number.

It is an amenable number.

230590145 is a deficient number, since it is larger than the sum of its proper divisors (46118035).

230590145 is an equidigital number, since it uses as much as digits as its factorization.

230590145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46118034.

The product of its (nonzero) digits is 5400, while the sum is 29.

The square root of 230590145 is about 15185.1949279553. The cubic root of 230590145 is about 613.2161452684.

The spelling of 230590145 in words is "two hundred thirty million, five hundred ninety thousand, one hundred forty-five".