1444445574 has 32 divisors (see below), whose sum is σ = 3393944064. Its totient is φ = 404040480.

The previous prime is 1444445557. The next prime is 1444445581. The reversal of 1444445574 is 4755444441.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 840894 + ... + 842609.

It is an arithmetic number, because the mean of its divisors is an integer number (106060752).

Almost surely, 2^1444445574 is an apocalyptic number.

1444445574 is an abundant number, since it is smaller than the sum of its proper divisors (1949498490).

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

1444445574 is a wasteful number, since it uses less digits than its factorization.

1444445574 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1683532.

The product of its digits is 716800, while the sum is 42.

The square root of 1444445574 is about 38005.8623635881. The cubic root of 1444445574 is about 1130.4041089966.

The spelling of 1444445574 in words is "one billion, four hundred forty-four million, four hundred forty-five thousand, five hundred seventy-four".