230645 has 8 divisors (see below), whose sum is σ = 279456. Its totient is φ = 182736.

The previous prime is 230611. The next prime is 230647. The reversal of 230645 is 546032.

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 230645 - 2⁸ = 230389 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 (230647) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 674 + ... + 956.

It is an arithmetic number, because the mean of its divisors is an integer number (34932).

2²³⁰⁶⁴⁵ is an apocalyptic number.

It is an amenable number.

230645 is a deficient number, since it is larger than the sum of its proper divisors (48811).

230645 is a wasteful number, since it uses less digits than its factorization.

230645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 451.

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 230645 is about 480.2551405243. The cubic root of 230645 is about 61.3264767330.

Adding to 230645 its reverse (546032), we get a palindrome (776677).

The spelling of 230645 in words is "two hundred thirty thousand, six hundred forty-five".