245745836 has 12 divisors (see below), whose sum is σ = 491491728. Its totient is φ = 105319632.

The previous prime is 245745811. The next prime is 245745847. The reversal of 245745836 is 638547542.

245745836 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

245745836 is an admirable number.

It is a super-2 number, since 2×245745836² = 120782031822677792, which contains 22 as substring.

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, 4388291 + ... + 4388346.

It is an arithmetic number, because the mean of its divisors is an integer number (40957644).

Almost surely, 2^245745836 is an apocalyptic number.

It is an amenable number.

245745836 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

245745836 is a wasteful number, since it uses less digits than its factorization.

245745836 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8776648 (or 8776646 counting only the distinct ones).

The product of its digits is 806400, while the sum is 44.

The square root of 245745836 is about 15676.2825950542. The cubic root of 245745836 is about 626.3667888955.

The spelling of 245745836 in words is "two hundred forty-five million, seven hundred forty-five thousand, eight hundred thirty-six".