245564276 has 12 divisors (see below), whose sum is σ = 430486308. Its totient is φ = 122568192.

The previous prime is 245564239. The next prime is 245564309. The reversal of 245564276 is 672465542.

It can be written as a sum of positive squares in 2 ways, for example, as 244171876 + 1392400 = 15626^2 + 1180^2 .

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, 50891 + ... + 55506.

It is an arithmetic number, because the mean of its divisors is an integer number (35873859).

Almost surely, 2^245564276 is an apocalyptic number.

It is an amenable number.

245564276 is a deficient number, since it is larger than the sum of its proper divisors (184922032).

245564276 is a wasteful number, since it uses less digits than its factorization.

245564276 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106978 (or 106976 counting only the distinct ones).

The product of its digits is 403200, while the sum is 41.

The square root of 245564276 is about 15670.4906113370. The cubic root of 245564276 is about 626.2124951012.

The spelling of 245564276 in words is "two hundred forty-five million, five hundred sixty-four thousand, two hundred seventy-six".