245745232 has 20 divisors (see below), whose sum is σ = 481042996. Its totient is φ = 121605120.

The previous prime is 245745169. The next prime is 245745263. The reversal of 245745232 is 232547542.

It can be written as a sum of positive squares in 2 ways, for example, as 163226176 + 82519056 = 12776^2 + 9084^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 77619 + ... + 80722.

Almost surely, 2^245745232 is an apocalyptic number.

It is an amenable number.

245745232 is a deficient number, since it is larger than the sum of its proper divisors (235297764).

245745232 is a wasteful number, since it uses less digits than its factorization.

245745232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 158446 (or 158440 counting only the distinct ones).

The product of its digits is 67200, while the sum is 34.

The square root of 245745232 is about 15676.2633302710. The cubic root of 245745232 is about 626.3662757286.

The spelling of 245745232 in words is "two hundred forty-five million, seven hundred forty-five thousand, two hundred thirty-two".