230412645 has 48 divisors (see below), whose sum is σ = 425563632. Its totient is φ = 114923520.

The previous prime is 230412607. The next prime is 230412647. The reversal of 230412645 is 546214032.

230412645 is a `hidden beast` number, since 2 + 3 + 0 + 4 + 12 + 645 = 666.

It can be written as a sum of positive squares in 8 ways, for example, as 799236 + 229613409 = 894^2 + 15153^2 .

It is not a de Polignac number, because 230412645 - 2⁸ = 230412389 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (230412647) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 131475 + ... + 133215.

It is an arithmetic number, because the mean of its divisors is an integer number (8865909).

Almost surely, 2^230412645 is an apocalyptic number.

It is an amenable number.

230412645 is a deficient number, since it is larger than the sum of its proper divisors (195150987).

230412645 is a wasteful number, since it uses less digits than its factorization.

230412645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1942 (or 1939 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

The square root of 230412645 is about 15179.3492943538. The cubic root of 230412645 is about 613.0587609675.

Adding to 230412645 its reverse (546214032), we get a palindrome (776626677).

The spelling of 230412645 in words is "two hundred thirty million, four hundred twelve thousand, six hundred forty-five".