230643045 has 40 divisors (see below), whose sum is σ = 415562400. Its totient is φ = 122381280.

The previous prime is 230643041. The next prime is 230643073. The reversal of 230643045 is 540346032.

It is not a de Polignac number, because 230643045 - 2² = 230643041 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (230643041) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 84106 + ... + 86804.

It is an arithmetic number, because the mean of its divisors is an integer number (10389060).

Almost surely, 2^230643045 is an apocalyptic number.

It is an amenable number.

230643045 is a deficient number, since it is larger than the sum of its proper divisors (184919355).

230643045 is a wasteful number, since it uses less digits than its factorization.

230643045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2927 (or 2918 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 27.

The square root of 230643045 is about 15186.9366562187. The cubic root of 230643045 is about 613.2630346006.

Adding to 230643045 its reverse (540346032), we get a palindrome (770989077).

The spelling of 230643045 in words is "two hundred thirty million, six hundred forty-three thousand, forty-five".