230790645 has 48 divisors (see below), whose sum is σ = 415374960. Its totient is φ = 118444032.

The previous prime is 230790643. The next prime is 230790649. The reversal of 230790645 is 546097032.

230790645 is a `hidden beast` number, since 2 + 3 + 0 + 7 + 9 + 0 + 645 = 666.

It can be written as a sum of positive squares in 8 ways, for example, as 3896676 + 226893969 = 1974^2 + 15063^2 .

It is not a de Polignac number, because 230790645 - 2¹ = 230790643 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (230790643) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 160791 + ... + 162219.

It is an arithmetic number, because the mean of its divisors is an integer number (8653645).

Almost surely, 2^230790645 is an apocalyptic number.

It is an amenable number.

230790645 is a deficient number, since it is larger than the sum of its proper divisors (184584315).

230790645 is a wasteful number, since it uses less digits than its factorization.

230790645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1574 (or 1571 counting only the distinct ones).

The product of its (nonzero) digits is 45360, while the sum is 36.

The square root of 230790645 is about 15191.7953185264. The cubic root of 230790645 is about 613.3938259162.

The spelling of 230790645 in words is "two hundred thirty million, seven hundred ninety thousand, six hundred forty-five".