234645 has 8 divisors (see below), whose sum is σ = 375456. Its totient is φ = 125136.

The previous prime is 234629. The next prime is 234653. The reversal of 234645 is 546432.

234645 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 234645 - 2⁴ = 234629 is a prime.

234645 is a lucky number.

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, 7807 + ... + 7836.

It is an arithmetic number, because the mean of its divisors is an integer number (46932).

2²³⁴⁶⁴⁵ is an apocalyptic number.

It is an amenable number.

234645 is a deficient number, since it is larger than the sum of its proper divisors (140811).

234645 is a wasteful number, since it uses less digits than its factorization.

234645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15651.

The product of its digits is 2880, while the sum is 24.

The square root of 234645 is about 484.4016928129. The cubic root of 234645 is about 61.6789684085.

It can be divided in two parts, 2346 and 45, that multiplied together give a triangular number (105570 = T₄₅₉).

The spelling of 234645 in words is "two hundred thirty-four thousand, six hundred forty-five".