245195866 has 8 divisors (see below), whose sum is σ = 369414720. Its totient is φ = 122057628.

The previous prime is 245195843. The next prime is 245195869. The reversal of 245195866 is 668591542.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (245195869) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 269586 + ... + 270493.

It is an arithmetic number, because the mean of its divisors is an integer number (46176840).

Almost surely, 2^245195866 is an apocalyptic number.

245195866 is a deficient number, since it is larger than the sum of its proper divisors (124218854).

245195866 is a wasteful number, since it uses less digits than its factorization.

245195866 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 540308.

The product of its digits is 518400, while the sum is 46.

The square root of 245195866 is about 15658.7313023757. The cubic root of 245195866 is about 625.8991780657.

The spelling of 245195866 in words is "two hundred forty-five million, one hundred ninety-five thousand, eight hundred sixty-six".