232144565 has 16 divisors (see below), whose sum is σ = 303350400. Its totient is φ = 169872192.

The previous prime is 232144513. The next prime is 232144631. The reversal of 232144565 is 565441232.

It is a cyclic number.

It is not a de Polignac number, because 232144565 - 2¹⁸ = 231882421 is a prime.

It is a congruent 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, 39377 + ... + 44886.

It is an arithmetic number, because the mean of its divisors is an integer number (18959400).

Almost surely, 2^232144565 is an apocalyptic number.

It is an amenable number.

232144565 is a deficient number, since it is larger than the sum of its proper divisors (71205835).

232144565 is a wasteful number, since it uses less digits than its factorization.

232144565 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84316.

The product of its digits is 28800, while the sum is 32.

The square root of 232144565 is about 15236.2910513025. The cubic root of 232144565 is about 614.5909677982.

Adding to 232144565 its reverse (565441232), we get a palindrome (797585797).

The spelling of 232144565 in words is "two hundred thirty-two million, one hundred forty-four thousand, five hundred sixty-five".