230561545 has 16 divisors (see below), whose sum is σ = 289134720. Its totient is φ = 176166144.

The previous prime is 230561543. The next prime is 230561563. The reversal of 230561545 is 545165032.

It is a cyclic number.

It is not a de Polignac number, because 230561545 - 2¹ = 230561543 is a prime.

It is not an unprimeable number, because it can be changed into a prime (230561543) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 115042 + ... + 117028.

It is an arithmetic number, because the mean of its divisors is an integer number (18070920).

Almost surely, 2^230561545 is an apocalyptic number.

It is an amenable number.

230561545 is a deficient number, since it is larger than the sum of its proper divisors (58573175).

230561545 is a wasteful number, since it uses less digits than its factorization.

230561545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3024.

The product of its (nonzero) digits is 18000, while the sum is 31.

The square root of 230561545 is about 15184.2531920408. The cubic root of 230561545 is about 613.1907919055.

The spelling of 230561545 in words is "two hundred thirty million, five hundred sixty-one thousand, five hundred forty-five".