1144883836 has 48 divisors (see below), whose sum is σ = 2287625760. Its totient is φ = 497940480.

The previous prime is 1144883809. The next prime is 1144883863. The reversal of 1144883836 is 6383884411.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1144883809) and next prime (1144883863).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 42166 + ... + 63778.

It is an arithmetic number, because the mean of its divisors is an integer number (47658870).

Almost surely, 2^1144883836 is an apocalyptic number.

It is an amenable number.

1144883836 is a deficient number, since it is larger than the sum of its proper divisors (1142741924).

1144883836 is a wasteful number, since it uses less digits than its factorization.

1144883836 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21694 (or 21692 counting only the distinct ones).

The product of its digits is 442368, while the sum is 46.

The square root of 1144883836 is about 33836.1321075563. The cubic root of 1144883836 is about 1046.1335763324.

The spelling of 1144883836 in words is "one billion, one hundred forty-four million, eight hundred eighty-three thousand, eight hundred thirty-six".