1444383745 has 8 divisors (see below), whose sum is σ = 1980869184. Its totient is φ = 990434544.

The previous prime is 1444383737. The next prime is 1444383749. The reversal of 1444383745 is 5473834441.

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

It is a cyclic number.

It is not a de Polignac number, because 1444383745 - 2³ = 1444383737 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1444383749) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20634019 + ... + 20634088.

It is an arithmetic number, because the mean of its divisors is an integer number (247608648).

Almost surely, 2^1444383745 is an apocalyptic number.

It is an amenable number.

1444383745 is a deficient number, since it is larger than the sum of its proper divisors (536485439).

1444383745 is an equidigital number, since it uses as much as digits as its factorization.

1444383745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41268119.

The product of its digits is 645120, while the sum is 43.

The square root of 1444383745 is about 38005.0489408973. The cubic root of 1444383745 is about 1130.3879799124.

The spelling of 1444383745 in words is "one billion, four hundred forty-four million, three hundred eighty-three thousand, seven hundred forty-five".