1144077992 has 16 divisors (see below), whose sum is σ = 2164131540. Its totient is φ = 566976256.

The previous prime is 1144077947. The next prime is 1144078031. The reversal of 1144077992 is 2997704411.

It can be written as a sum of positive squares in 2 ways, for example, as 1080173956 + 63904036 = 32866^2 + 7994^2 .

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 631883 + ... + 633690.

Almost surely, 2^1144077992 is an apocalyptic number.

It is an amenable number.

1144077992 is a deficient number, since it is larger than the sum of its proper divisors (1020053548).

1144077992 is a wasteful number, since it uses less digits than its factorization.

1144077992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1265692 (or 1265688 counting only the distinct ones).

The product of its (nonzero) digits is 127008, while the sum is 44.

The square root of 1144077992 is about 33824.2219718355. The cubic root of 1144077992 is about 1045.8880730165. Note that the first 3 decimals are identical.

The spelling of 1144077992 in words is "one billion, one hundred forty-four million, seventy-seven thousand, nine hundred ninety-two".