230445530 has 24 divisors (see below), whose sum is σ = 482525748. Its totient is φ = 79009728.

The previous prime is 230445521. The next prime is 230445577. The reversal of 230445530 is 35544032.

It can be written as a sum of positive squares in 2 ways, for example, as 204118369 + 26327161 = 14287^2 + 5131^2 .

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 230445530.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 234659 + ... + 235638.

Almost surely, 2^230445530 is an apocalyptic number.

230445530 is an abundant number, since it is smaller than the sum of its proper divisors (252080218).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

230445530 is a wasteful number, since it uses less digits than its factorization.

230445530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 470318 (or 470311 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 26.

The square root of 230445530 is about 15180.4324707829. The cubic root of 230445530 is about 613.0879252788.

Adding to 230445530 its reverse (35544032), we get a palindrome (265989562).

The spelling of 230445530 in words is "two hundred thirty million, four hundred forty-five thousand, five hundred thirty".