245813668 has 24 divisors (see below), whose sum is σ = 435691872. Its totient is φ = 121338624.

The previous prime is 245813653. The next prime is 245813677. The reversal of 245813668 is 866318542.

245813668 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×245813668² = 120848718751228448, which contains 22 as substring.

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, 150271 + ... + 151897.

It is an arithmetic number, because the mean of its divisors is an integer number (18153828).

Almost surely, 2^245813668 is an apocalyptic number.

It is an amenable number.

245813668 is a deficient number, since it is larger than the sum of its proper divisors (189878204).

245813668 is a wasteful number, since it uses less digits than its factorization.

245813668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2091 (or 2089 counting only the distinct ones).

The product of its digits is 276480, while the sum is 43.

The square root of 245813668 is about 15678.4459689090. The cubic root of 245813668 is about 626.4244145628.

The spelling of 245813668 in words is "two hundred forty-five million, eight hundred thirteen thousand, six hundred sixty-eight".