245555568 has 30 divisors (see below), whose sum is σ = 687214944. Its totient is φ = 81851808.

The previous prime is 245555549. The next prime is 245555573. The reversal of 245555568 is 865555542.

245555568 is a `hidden beast` number, since 2 + 45 + 55 + 556 + 8 = 666.

It is a plaindrome in base 10.

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 an upside-down number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 852480 + ... + 852767.

Almost surely, 2^245555568 is an apocalyptic number.

It is an amenable number.

245555568 is an abundant number, since it is smaller than the sum of its proper divisors (441659376).

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

245555568 is a wasteful number, since it uses less digits than its factorization.

245555568 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1705261 (or 1705252 counting only the distinct ones).

The product of its digits is 1200000, while the sum is 45.

The square root of 245555568 is about 15670.2127617975. The cubic root of 245555568 is about 626.2050929349.

The spelling of 245555568 in words is "two hundred forty-five million, five hundred fifty-five thousand, five hundred sixty-eight".