144444444444 has 36 divisors (see below), whose sum is σ = 372892045344. Its totient is φ = 47123718912.

The previous prime is 144444444407. The next prime is 144444444449. The reversal of 144444444444 is 444444444441.

It is a tau number, because it is divible by the number of its divisors (36).

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

144444444444 is a modest number, since divided by 444444 gives 144444 as remainder.

It is a plaindrome in base 10.

It is a self number, because there is not a number n which added to its sum of digits gives 144444444444.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144444444449) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 42682837 + ... + 42686220.

Almost surely, 2^144444444444 is an apocalyptic number.

It is an amenable number.

144444444444 is an abundant number, since it is smaller than the sum of its proper divisors (228447600900).

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

144444444444 is a wasteful number, since it uses less digits than its factorization.

144444444444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85369114 (or 85369109 counting only the distinct ones).

The product of its digits is 4194304, while the sum is 45.

Adding to 144444444444 its reverse (444444444441), we get a palindrome (588888888885).

It can be divided in two parts, 1444444444 and 44, that multiplied together give a palindrome (63555555536).

The spelling of 144444444444 in words is "one hundred forty-four billion, four hundred forty-four million, four hundred forty-four thousand, four hundred forty-four".