232320145 has 16 divisors (see below), whose sum is σ = 286207488. Its totient is φ = 180927360.

The previous prime is 232320133. The next prime is 232320161. The reversal of 232320145 is 541023232.

It is not a de Polignac number, because 232320145 - 2⁷ = 232320017 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 123502 + ... + 125368.

It is an arithmetic number, because the mean of its divisors is an integer number (17887968).

Almost surely, 2^232320145 is an apocalyptic number.

It is an amenable number.

232320145 is a deficient number, since it is larger than the sum of its proper divisors (53887343).

232320145 is a wasteful number, since it uses less digits than its factorization.

232320145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2520.

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

The square root of 232320145 is about 15242.0518631843. The cubic root of 232320145 is about 614.7458751337.

Adding to 232320145 its reverse (541023232), we get a palindrome (773343377).

The spelling of 232320145 in words is "two hundred thirty-two million, three hundred twenty thousand, one hundred forty-five".