245564330 has 96 divisors (see below), whose sum is σ = 525066624. Its totient is φ = 81840000.

The previous prime is 245564323. The next prime is 245564351. The reversal of 245564330 is 33465542.

It is a Curzon number.

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 47 ways as a sum of consecutive naturals, for example, 2431280 + ... + 2431380.

It is an arithmetic number, because the mean of its divisors is an integer number (5469444).

Almost surely, 2^245564330 is an apocalyptic number.

245564330 is an abundant number, since it is smaller than the sum of its proper divisors (279502294).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

245564330 is a wasteful number, since it uses less digits than its factorization.

245564330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 204 (or 173 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 32.

The square root of 245564330 is about 15670.4923343206. The cubic root of 245564330 is about 626.2125410030.

The spelling of 245564330 in words is "two hundred forty-five million, five hundred sixty-four thousand, three hundred thirty".