1144974632 has 16 divisors (see below), whose sum is σ = 2176237140. Its totient is φ = 564644736.

The previous prime is 1144974629. The next prime is 1144974659. The reversal of 1144974632 is 2364794411.

It can be written as a sum of positive squares in 2 ways, for example, as 1090716676 + 54257956 = 33026^2 + 7366^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1144974632.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 979703 + ... + 980870.

Almost surely, 2^1144974632 is an apocalyptic number.

It is an amenable number.

1144974632 is a deficient number, since it is larger than the sum of its proper divisors (1031262508).

1144974632 is a wasteful number, since it uses less digits than its factorization.

1144974632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1960652 (or 1960648 counting only the distinct ones).

The product of its digits is 145152, while the sum is 41.

The square root of 1144974632 is about 33837.4737827752. The cubic root of 1144974632 is about 1046.1612304432.

The spelling of 1144974632 in words is "one billion, one hundred forty-four million, nine hundred seventy-four thousand, six hundred thirty-two".