1144682978 has 16 divisors (see below), whose sum is σ = 1732398624. Its totient is φ = 567228480.

The previous prime is 1144682969. The next prime is 1144682993. The reversal of 1144682978 is 8792864411.

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, 235226 + ... + 240042.

It is an arithmetic number, because the mean of its divisors is an integer number (108274914).

Almost surely, 2^1144682978 is an apocalyptic number.

1144682978 is a deficient number, since it is larger than the sum of its proper divisors (587715646).

1144682978 is a wasteful number, since it uses less digits than its factorization.

1144682978 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5857.

The product of its digits is 774144, while the sum is 50.

The square root of 1144682978 is about 33833.1638780650. The cubic root of 1144682978 is about 1046.0723949908.

The spelling of 1144682978 in words is "one billion, one hundred forty-four million, six hundred eighty-two thousand, nine hundred seventy-eight".