1144744705 has 16 divisors (see below), whose sum is σ = 1492943760. Its totient is φ = 837589248.

The previous prime is 1144744697. The next prime is 1144744709. The reversal of 1144744705 is 5074474411.

It can be written as a sum of positive squares in 8 ways, for example, as 7436529 + 1137308176 = 2727^2 + 33724^2 .

It is a cyclic number.

It is not a de Polignac number, because 1144744705 - 2³ = 1144744697 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1144744709) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 73702 + ... + 87871.

It is an arithmetic number, because the mean of its divisors is an integer number (93308985).

Almost surely, 2^1144744705 is an apocalyptic number.

It is an amenable number.

1144744705 is a deficient number, since it is larger than the sum of its proper divisors (348199055).

1144744705 is a wasteful number, since it uses less digits than its factorization.

1144744705 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 161700.

The product of its (nonzero) digits is 62720, while the sum is 37.

The square root of 1144744705 is about 33834.0760920111. The cubic root of 1144744705 is about 1046.0911977951.

The spelling of 1144744705 in words is "one billion, one hundred forty-four million, seven hundred forty-four thousand, seven hundred five".