1144357976 has 16 divisors (see below), whose sum is σ = 2172832800. Its totient is φ = 564935904.

The previous prime is 1144357961. The next prime is 1144357997. The reversal of 1144357976 is 6797534411.

It is a self number, because there is not a number n which added to its sum of digits gives 1144357976.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 904715 + ... + 905978.

It is an arithmetic number, because the mean of its divisors is an integer number (135802050).

Almost surely, 2^1144357976 is an apocalyptic number.

It is an amenable number.

1144357976 is a deficient number, since it is larger than the sum of its proper divisors (1028474824).

1144357976 is a wasteful number, since it uses less digits than its factorization.

1144357976 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1810778 (or 1810774 counting only the distinct ones).

The product of its digits is 635040, while the sum is 47.

The square root of 1144357976 is about 33828.3605278175. The cubic root of 1144357976 is about 1045.9733842289.

The spelling of 1144357976 in words is "one billion, one hundred forty-four million, three hundred fifty-seven thousand, nine hundred seventy-six".