234820645 has 8 divisors (see below), whose sum is σ = 281867040. Its totient is φ = 187801680.

The previous prime is 234820631. The next prime is 234820673. The reversal of 234820645 is 546028432.

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

It is not a de Polignac number, because 234820645 - 2⁷ = 234820517 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 234820645.

It is a congruent 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, 29946 + ... + 36964.

It is an arithmetic number, because the mean of its divisors is an integer number (35233380).

Almost surely, 2^234820645 is an apocalyptic number.

It is an amenable number.

234820645 is a deficient number, since it is larger than the sum of its proper divisors (47046395).

234820645 is an equidigital number, since it uses as much as digits as its factorization.

234820645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13715.

The product of its (nonzero) digits is 46080, while the sum is 34.

The square root of 234820645 is about 15323.8586850702. The cubic root of 234820645 is about 616.9435463077.

The spelling of 234820645 in words is "two hundred thirty-four million, eight hundred twenty thousand, six hundred forty-five".