1144841978 has 12 divisors (see below), whose sum is σ = 1997632602. Its totient is φ = 490646520.

The previous prime is 1144841963. The next prime is 1144841981. The reversal of 1144841978 is 8791484411.

It can be written as a sum of positive squares in only one way, i.e., 667550569 + 477291409 = 25837^2 + 21847^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5840933 + ... + 5841128.

Almost surely, 2^1144841978 is an apocalyptic number.

1144841978 is a deficient number, since it is larger than the sum of its proper divisors (852790624).

1144841978 is a wasteful number, since it uses less digits than its factorization.

1144841978 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11682077 (or 11682070 counting only the distinct ones).

The product of its digits is 258048, while the sum is 47.

The square root of 1144841978 is about 33835.5135619367. The cubic root of 1144841978 is about 1046.1208269769.

The spelling of 1144841978 in words is "one billion, one hundred forty-four million, eight hundred forty-one thousand, nine hundred seventy-eight".