230645015 has 4 divisors (see below), whose sum is σ = 276774024. Its totient is φ = 184516008.

The previous prime is 230644993. The next prime is 230645017. The reversal of 230645015 is 510546032.

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 230645015 - 2¹⁸ = 230382871 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (230645017) by changing a digit.

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, 23064497 + ... + 23064506.

It is an arithmetic number, because the mean of its divisors is an integer number (69193506).

Almost surely, 2^230645015 is an apocalyptic number.

230645015 is a deficient number, since it is larger than the sum of its proper divisors (46129009).

230645015 is an equidigital number, since it uses as much as digits as its factorization.

230645015 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46129008.

The product of its (nonzero) digits is 3600, while the sum is 26.

The square root of 230645015 is about 15187.0015144531. The cubic root of 230645015 is about 613.2647806244.

The spelling of 230645015 in words is "two hundred thirty million, six hundred forty-five thousand, fifteen".