230740545 has 32 divisors (see below), whose sum is σ = 424643328. Its totient is φ = 104802048.

The previous prime is 230740519. The next prime is 230740561. The reversal of 230740545 is 545047032.

It is not a de Polignac number, because 230740545 - 2⁵ = 230740513 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9487 + ... + 23483.

It is an arithmetic number, because the mean of its divisors is an integer number (13270104).

Almost surely, 2^230740545 is an apocalyptic number.

It is an amenable number.

230740545 is a deficient number, since it is larger than the sum of its proper divisors (193902783).

230740545 is a wasteful number, since it uses less digits than its factorization.

230740545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14169.

The product of its (nonzero) digits is 16800, while the sum is 30.

The square root of 230740545 is about 15190.1463126594. The cubic root of 230740545 is about 613.3494375563.

Adding to 230740545 its reverse (545047032), we get a palindrome (775787577).

The spelling of 230740545 in words is "two hundred thirty million, seven hundred forty thousand, five hundred forty-five".