1144636674 has 16 divisors (see below), whose sum is σ = 2292405312. Its totient is φ = 381023568.

The previous prime is 1144636621. The next prime is 1144636679. The reversal of 1144636674 is 4766364411.

It is not an unprimeable number, because it can be changed into a prime (1144636679) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 125734 + ... + 134529.

It is an arithmetic number, because the mean of its divisors is an integer number (143275332).

Almost surely, 2^1144636674 is an apocalyptic number.

1144636674 is an abundant number, since it is smaller than the sum of its proper divisors (1147768638).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1144636674 is a wasteful number, since it uses less digits than its factorization.

1144636674 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 261001.

The product of its digits is 290304, while the sum is 42.

The square root of 1144636674 is about 33832.4795721508. The cubic root of 1144636674 is about 1046.0582897785.

The spelling of 1144636674 in words is "one billion, one hundred forty-four million, six hundred thirty-six thousand, six hundred seventy-four".