245655756 has 18 divisors (see below), whose sum is σ = 620963252. Its totient is φ = 81885240.

The previous prime is 245655737. The next prime is 245655757. The reversal of 245655756 is 657556542.

245655756 is a `hidden beast` number, since 2 + 45 + 6 + 557 + 56 = 666.

It is a tau number, because it is divible by the number of its divisors (18).

It is not an unprimeable number, because it can be changed into a prime (245655757) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 3411850 + ... + 3411921.

Almost surely, 2^245655756 is an apocalyptic number.

It is an amenable number.

245655756 is an abundant number, since it is smaller than the sum of its proper divisors (375307496).

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

245655756 is a wasteful number, since it uses less digits than its factorization.

245655756 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6823781 (or 6823776 counting only the distinct ones).

The product of its digits is 1260000, while the sum is 45.

The square root of 245655756 is about 15673.4092015745. The cubic root of 245655756 is about 626.2902463766.

The spelling of 245655756 in words is "two hundred forty-five million, six hundred fifty-five thousand, seven hundred fifty-six".