245557812 has 24 divisors (see below), whose sum is σ = 573300000. Its totient is φ = 81805216.

The previous prime is 245557801. The next prime is 245557889. The reversal of 245557812 is 218755542.

245557812 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20314 + ... + 30062.

It is an arithmetic number, because the mean of its divisors is an integer number (23887500).

Almost surely, 2^245557812 is an apocalyptic number.

It is an amenable number.

245557812 is an abundant number, since it is smaller than the sum of its proper divisors (327742188).

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

245557812 is a wasteful number, since it uses less digits than its factorization.

245557812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11855 (or 11853 counting only the distinct ones).

The product of its digits is 112000, while the sum is 39.

The square root of 245557812 is about 15670.2843624486. The cubic root of 245557812 is about 626.2070004460.

The spelling of 245557812 in words is "two hundred forty-five million, five hundred fifty-seven thousand, eight hundred twelve".