244978146 has 48 divisors (see below), whose sum is σ = 619008000. Its totient is φ = 69991992.

The previous prime is 244978141. The next prime is 244978159. The reversal of 244978146 is 641879442.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (244978141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 13666 + ... + 26013.

It is an arithmetic number, because the mean of its divisors is an integer number (12896000).

Almost surely, 2^244978146 is an apocalyptic number.

244978146 is an abundant number, since it is smaller than the sum of its proper divisors (374029854).

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

244978146 is a wasteful number, since it uses less digits than its factorization.

244978146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39708 (or 39691 counting only the distinct ones).

The product of its digits is 387072, while the sum is 45.

The square root of 244978146 is about 15651.7777265076. Note that the first 4 decimals coincide. The cubic root of 244978146 is about 625.7138689021.

The spelling of 244978146 in words is "two hundred forty-four million, nine hundred seventy-eight thousand, one hundred forty-six".