230645515 has 4 divisors (see below), whose sum is σ = 276774624. Its totient is φ = 184516408.

The previous prime is 230645501. The next prime is 230645521. The reversal of 230645515 is 515546032.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 230645515 - 2²¹ = 228548363 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23064547 + ... + 23064556.

It is an arithmetic number, because the mean of its divisors is an integer number (69193656).

Almost surely, 2^230645515 is an apocalyptic number.

230645515 is a deficient number, since it is larger than the sum of its proper divisors (46129109).

230645515 is an equidigital number, since it uses as much as digits as its factorization.

230645515 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46129108.

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

The square root of 230645515 is about 15187.0179758898. The cubic root of 230645515 is about 613.2652237761.

The spelling of 230645515 in words is "two hundred thirty million, six hundred forty-five thousand, five hundred fifteen".