245868940 has 12 divisors (see below), whose sum is σ = 516324816. Its totient is φ = 98347568.

The previous prime is 245868937. The next prime is 245868941. The reversal of 245868940 is 49868542.

245868940 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (245868941) 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, 6146704 + ... + 6146743.

It is an arithmetic number, because the mean of its divisors is an integer number (43027068).

Almost surely, 2^245868940 is an apocalyptic number.

245868940 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

245868940 is an abundant number, since it is smaller than the sum of its proper divisors (270455876).

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

245868940 is a wasteful number, since it uses less digits than its factorization.

245868940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12293456 (or 12293454 counting only the distinct ones).

The product of its (nonzero) digits is 552960, while the sum is 46.

The square root of 245868940 is about 15680.2085445315. The cubic root of 245868940 is about 626.4713622309.

The spelling of 245868940 in words is "two hundred forty-five million, eight hundred sixty-eight thousand, nine hundred forty".