245680356 has 24 divisors (see below), whose sum is σ = 573985440. Its totient is φ = 81788992.

The previous prime is 245680349. The next prime is 245680361. The reversal of 245680356 is 653086542.

245680356 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a hoax number, since the sum of its digits (39) coincides with the sum of the digits of its distinct prime factors.

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 7 ways as a sum of consecutive naturals, for example, 2946 + ... + 22361.

It is an arithmetic number, because the mean of its divisors is an integer number (23916060).

Almost surely, 2^245680356 is an apocalyptic number.

It is an amenable number.

245680356 is an abundant number, since it is smaller than the sum of its proper divisors (328305084).

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

245680356 is a wasteful number, since it uses less digits than its factorization.

245680356 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26123 (or 26121 counting only the distinct ones).

The product of its (nonzero) digits is 172800, while the sum is 39.

The square root of 245680356 is about 15674.1939505673. The cubic root of 245680356 is about 626.3111512750.

The spelling of 245680356 in words is "two hundred forty-five million, six hundred eighty thousand, three hundred fifty-six".