245316220756 has 24 divisors (see below), whose sum is σ = 443409765120. Its totient is φ = 118632321600.

The previous prime is 245316220739. The next prime is 245316220763. The reversal of 245316220756 is 657022613542.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 361366 + ... + 788173.

It is an arithmetic number, because the mean of its divisors is an integer number (18475406880).

Almost surely, 2^245316220756 is an apocalyptic number.

It is an amenable number.

245316220756 is a deficient number, since it is larger than the sum of its proper divisors (198093544364).

245316220756 is a wasteful number, since it uses less digits than its factorization.

245316220756 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1151295 (or 1151293 counting only the distinct ones).

The product of its (nonzero) digits is 604800, while the sum is 43.

The spelling of 245316220756 in words is "two hundred forty-five billion, three hundred sixteen million, two hundred twenty thousand, seven hundred fifty-six".