230520545 has 8 divisors (see below), whose sum is σ = 284101224. Its totient is φ = 179432064.

The previous prime is 230520533. The next prime is 230520553. The reversal of 230520545 is 545025032.

It can be written as a sum of positive squares in 4 ways, for example, as 113188321 + 117332224 = 10639^2 + 10832^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 230520545 - 2⁴ = 230520529 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 622844 + ... + 623213.

It is an arithmetic number, because the mean of its divisors is an integer number (35512653).

Almost surely, 2^230520545 is an apocalyptic number.

It is an amenable number.

230520545 is a deficient number, since it is larger than the sum of its proper divisors (53580679).

230520545 is a wasteful number, since it uses less digits than its factorization.

230520545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1246099.

The product of its (nonzero) digits is 6000, while the sum is 26.

The square root of 230520545 is about 15182.9030491537. The cubic root of 230520545 is about 613.1544425180.

Adding to 230520545 its reverse (545025032), we get a palindrome (775545577).

It can be divided in two parts, 2305205 and 45, that multiplied together give a square (103734225 = 10185²).

The spelling of 230520545 in words is "two hundred thirty million, five hundred twenty thousand, five hundred forty-five".