1444443144 has 16 divisors (see below), whose sum is σ = 3611107920. Its totient is φ = 481481040.

The previous prime is 1444443139. The next prime is 1444443149. The reversal of 1444443144 is 4413444441.

It is an interprime number because it is at equal distance from previous prime (1444443139) and next prime (1444443149).

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (1444443149) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30092542 + ... + 30092589.

It is an arithmetic number, because the mean of its divisors is an integer number (225694245).

Almost surely, 2^1444443144 is an apocalyptic number.

It is an amenable number.

1444443144 is an abundant number, since it is smaller than the sum of its proper divisors (2166664776).

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

1444443144 is a wasteful number, since it uses less digits than its factorization.

1444443144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60185140 (or 60185136 counting only the distinct ones).

The product of its digits is 49152, while the sum is 33.

The square root of 1444443144 is about 38005.8303948223. The cubic root of 1444443144 is about 1130.4034751009.

Adding to 1444443144 its reverse (4413444441), we get a palindrome (5857887585).

The spelling of 1444443144 in words is "one billion, four hundred forty-four million, four hundred forty-three thousand, one hundred forty-four".