232115545 has 16 divisors (see below), whose sum is σ = 283689360. Its totient is φ = 182283264.

The previous prime is 232115531. The next prime is 232115549. The reversal of 232115545 is 545511232.

It can be written as a sum of positive squares in 8 ways, for example, as 254016 + 231861529 = 504^2 + 15227^2 .

It is a cyclic number.

It is not a de Polignac number, because 232115545 - 2¹⁹ = 231591257 is a prime.

It is not an unprimeable number, because it can be changed into a prime (232115549) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 82197 + ... + 84973.

It is an arithmetic number, because the mean of its divisors is an integer number (17730585).

Almost surely, 2^232115545 is an apocalyptic number.

It is an amenable number.

232115545 is a deficient number, since it is larger than the sum of its proper divisors (51573815).

232115545 is a wasteful number, since it uses less digits than its factorization.

232115545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3084.

The product of its digits is 6000, while the sum is 28.

The square root of 232115545 is about 15235.3386900325. The cubic root of 232115545 is about 614.5653570713.

Adding to 232115545 its reverse (545511232), we get a palindrome (777626777).

The spelling of 232115545 in words is "two hundred thirty-two million, one hundred fifteen thousand, five hundred forty-five".