1444870144 has 48 divisors (see below), whose sum is σ = 2921864400. Its totient is φ = 714227712.

The previous prime is 1444870129. The next prime is 1444870151. The reversal of 1444870144 is 4410784441.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 178309 + ... + 186235.

It is an arithmetic number, because the mean of its divisors is an integer number (60872175).

Almost surely, 2^1444870144 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1444870144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1460932200).

1444870144 is an abundant number, since it is smaller than the sum of its proper divisors (1476994256).

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

1444870144 is an frugal number, since it uses more digits than its factorization.

1444870144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8038 (or 8018 counting only the distinct ones).

The product of its (nonzero) digits is 57344, while the sum is 37.

The square root of 1444870144 is about 38011.4475388665. The cubic root of 1444870144 is about 1130.5148524463.

The spelling of 1444870144 in words is "one billion, four hundred forty-four million, eight hundred seventy thousand, one hundred forty-four".