234945 has 24 divisors (see below), whose sum is σ = 426816. Its totient is φ = 119328.

The previous prime is 234931. The next prime is 234947. The reversal of 234945 is 549432.

234945 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 234945 - 2¹⁰ = 233921 is a prime.

It is a Smith number, since the sum of its digits (27) coincides with the sum of the digits of its prime factors.

It is an alternating number because its digits alternate between even and odd.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (234947) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 922 + ... + 1148.

It is an arithmetic number, because the mean of its divisors is an integer number (17784).

2²³⁴⁹⁴⁵ is an apocalyptic number.

It is an amenable number.

234945 is a deficient number, since it is larger than the sum of its proper divisors (191871).

234945 is a wasteful number, since it uses less digits than its factorization.

234945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 261 (or 258 counting only the distinct ones).

The product of its digits is 4320, while the sum is 27.

The square root of 234945 is about 484.7112542535. The cubic root of 234945 is about 61.7052432923.

The spelling of 234945 in words is "two hundred thirty-four thousand, nine hundred forty-five".