245649268 has 6 divisors (see below), whose sum is σ = 429886226. Its totient is φ = 122824632.

The previous prime is 245649193. The next prime is 245649277. The reversal of 245649268 is 862946542.

It can be written as a sum of positive squares in only one way, i.e., 153066384 + 92582884 = 12372^2 + 9622^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30706155 + ... + 30706162.

Almost surely, 2^245649268 is an apocalyptic number.

It is an amenable number.

245649268 is a deficient number, since it is larger than the sum of its proper divisors (184236958).

245649268 is a wasteful number, since it uses less digits than its factorization.

245649268 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61412321 (or 61412319 counting only the distinct ones).

The product of its digits is 829440, while the sum is 46.

The square root of 245649268 is about 15673.2022254548. The cubic root of 245649268 is about 626.2847326896.

The spelling of 245649268 in words is "two hundred forty-five million, six hundred forty-nine thousand, two hundred sixty-eight".