232520045 has 16 divisors (see below), whose sum is σ = 285562368. Its totient is φ = 181674240.

The previous prime is 232520039. The next prime is 232520051. The reversal of 232520045 is 540025232.

It is an interprime number because it is at equal distance from previous prime (232520039) and next prime (232520051).

It is not a de Polignac number, because 232520045 - 2¹⁸ = 232257901 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 232520045.

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, 170165 + ... + 171525.

It is an arithmetic number, because the mean of its divisors is an integer number (17847648).

Almost surely, 2^232520045 is an apocalyptic number.

It is an amenable number.

232520045 is a deficient number, since it is larger than the sum of its proper divisors (53042323).

232520045 is a wasteful number, since it uses less digits than its factorization.

232520045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2140.

The product of its (nonzero) digits is 2400, while the sum is 23.

The square root of 232520045 is about 15248.6079692541. The cubic root of 232520045 is about 614.9221440650.

Adding to 232520045 its reverse (540025232), we get a palindrome (772545277).

The spelling of 232520045 in words is "two hundred thirty-two million, five hundred twenty thousand, forty-five".