232645 has 24 divisors (see below), whose sum is σ = 353664. Its totient is φ = 143616.

The previous prime is 232643. The next prime is 232663. The reversal of 232645 is 546232.

232645 = 148² + 149² + ... + 157².

It is a happy number.

232645 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 232645 - 2¹ = 232643 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 (232643) 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, 10104 + ... + 10126.

It is an arithmetic number, because the mean of its divisors is an integer number (14736).

2²³²⁶⁴⁵ is an apocalyptic number.

It is an amenable number.

232645 is a deficient number, since it is larger than the sum of its proper divisors (121019).

232645 is a wasteful number, since it uses less digits than its factorization.

232645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69 (or 52 counting only the distinct ones).

The product of its digits is 1440, while the sum is 22.

The square root of 232645 is about 482.3328726098. The cubic root of 232645 is about 61.5032276271.

Adding to 232645 its reverse (546232), we get a palindrome (778877).

The spelling of 232645 in words is "two hundred thirty-two thousand, six hundred forty-five".