1144883638 has 8 divisors (see below), whose sum is σ = 1727861688. Its totient is φ = 568929744.

The previous prime is 1144883603. The next prime is 1144883651. The reversal of 1144883638 is 8363884411.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

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, 1755631 + ... + 1756282.

It is an arithmetic number, because the mean of its divisors is an integer number (215982711).

Almost surely, 2^1144883638 is an apocalyptic number.

1144883638 is a deficient number, since it is larger than the sum of its proper divisors (582978050).

1144883638 is a wasteful number, since it uses less digits than its factorization.

1144883638 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3512078.

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

The square root of 1144883638 is about 33836.1291816898. The cubic root of 1144883638 is about 1046.1335160251.

The spelling of 1144883638 in words is "one billion, one hundred forty-four million, eight hundred eighty-three thousand, six hundred thirty-eight".