245086856 has 16 divisors (see below), whose sum is σ = 525186240. Its totient is φ = 105037200.

The previous prime is 245086847. The next prime is 245086861. The reversal of 245086856 is 658680542.

It is a super-3 number, since 3×245086856³ (a number of 26 digits) contains 333 as substring.

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2188220 + ... + 2188331.

It is an arithmetic number, because the mean of its divisors is an integer number (32824140).

Almost surely, 2^245086856 is an apocalyptic number.

It is an amenable number.

245086856 is an abundant number, since it is smaller than the sum of its proper divisors (280099384).

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

245086856 is a wasteful number, since it uses less digits than its factorization.

245086856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4376564 (or 4376560 counting only the distinct ones).

The product of its (nonzero) digits is 460800, while the sum is 44.

The square root of 245086856 is about 15655.2501097875. The cubic root of 245086856 is about 625.8064095317.

The spelling of 245086856 in words is "two hundred forty-five million, eighty-six thousand, eight hundred fifty-six".