230306745 has 16 divisors (see below), whose sum is σ = 368900352. Its totient is φ = 122693760.

The previous prime is 230306743. The next prime is 230306749. The reversal of 230306745 is 547603032.

It is not a de Polignac number, because 230306745 - 2¹ = 230306743 is a prime.

It is not an unprimeable number, because it can be changed into a prime (230306743) 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 15 ways as a sum of consecutive naturals, for example, 6240 + ... + 22350.

It is an arithmetic number, because the mean of its divisors is an integer number (23056272).

Almost surely, 2^230306745 is an apocalyptic number.

It is an amenable number.

230306745 is a deficient number, since it is larger than the sum of its proper divisors (138593607).

230306745 is a wasteful number, since it uses less digits than its factorization.

230306745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17072.

The product of its (nonzero) digits is 15120, while the sum is 30.

The square root of 230306745 is about 15175.8606016265. The cubic root of 230306745 is about 612.9648238896.

Adding to 230306745 its reverse (547603032), we get a palindrome (777909777).

The spelling of 230306745 in words is "two hundred thirty million, three hundred six thousand, seven hundred forty-five".