1144726444 has 12 divisors (see below), whose sum is σ = 2004345000. Its totient is φ = 572056448.

The previous prime is 1144726439. The next prime is 1144726463. The reversal of 1144726444 is 4446274411.

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, 68194 + ... + 83305.

It is an arithmetic number, because the mean of its divisors is an integer number (167028750).

Almost surely, 2^1144726444 is an apocalyptic number.

It is an amenable number.

1144726444 is a deficient number, since it is larger than the sum of its proper divisors (859618556).

1144726444 is a wasteful number, since it uses less digits than its factorization.

1144726444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 153392 (or 153390 counting only the distinct ones).

The product of its digits is 86016, while the sum is 37.

The square root of 1144726444 is about 33833.8062298642. The cubic root of 1144726444 is about 1046.0856353400.

The spelling of 1144726444 in words is "one billion, one hundred forty-four million, seven hundred twenty-six thousand, four hundred forty-four".