232545399 has 16 divisors (see below), whose sum is σ = 318366720. Its totient is φ = 150895040.

The previous prime is 232545337. The next prime is 232545413. The reversal of 232545399 is 993545232.

It is a cyclic number.

It is not a de Polignac number, because 232545399 - 2¹¹ = 232543351 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 232545399.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (232545799) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 56944 + ... + 60890.

It is an arithmetic number, because the mean of its divisors is an integer number (19897920).

Almost surely, 2^232545399 is an apocalyptic number.

232545399 is a deficient number, since it is larger than the sum of its proper divisors (85821321).

232545399 is a wasteful number, since it uses less digits than its factorization.

232545399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4470.

The product of its digits is 291600, while the sum is 42.

The square root of 232545399 is about 15249.4393011678. The cubic root of 232545399 is about 614.9444936355.

The spelling of 232545399 in words is "two hundred thirty-two million, five hundred forty-five thousand, three hundred ninety-nine".