232240144 has 20 divisors (see below), whose sum is σ = 450516924. Its totient is φ = 115977728.

The previous prime is 232240139. The next prime is 232240163. The reversal of 232240144 is 441042232.

It is a happy number.

232240144 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 156550144 + 75690000 = 12512^2 + 8700^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5244 + ... + 22180.

Almost surely, 2^232240144 is an apocalyptic number.

It is an amenable number.

232240144 is a deficient number, since it is larger than the sum of its proper divisors (218276780).

232240144 is a wasteful number, since it uses less digits than its factorization.

232240144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17802 (or 17796 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 22.

The square root of 232240144 is about 15239.4272858267. The cubic root of 232240144 is about 614.6753030774.

Adding to 232240144 its reverse (441042232), we get a palindrome (673282376).

The spelling of 232240144 in words is "two hundred thirty-two million, two hundred forty thousand, one hundred forty-four".