232145164 has 12 divisors (see below), whose sum is σ = 423917424. Its totient is φ = 111025904.

The previous prime is 232145161. The next prime is 232145171. The reversal of 232145164 is 461541232.

It is not an unprimeable number, because it can be changed into a prime (232145161) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1261567 + ... + 1261750.

It is an arithmetic number, because the mean of its divisors is an integer number (35326452).

Almost surely, 2^232145164 is an apocalyptic number.

It is an amenable number.

232145164 is a deficient number, since it is larger than the sum of its proper divisors (191772260).

232145164 is a wasteful number, since it uses less digits than its factorization.

232145164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2523344 (or 2523342 counting only the distinct ones).

The product of its digits is 5760, while the sum is 28.

The square root of 232145164 is about 15236.3107083047. The cubic root of 232145164 is about 614.5914964051.

Adding to 232145164 its reverse (461541232), we get a palindrome (693686396).

The spelling of 232145164 in words is "two hundred thirty-two million, one hundred forty-five thousand, one hundred sixty-four".