144111444 has 24 divisors (see below), whose sum is σ = 337031520. Its totient is φ = 47926944.

The previous prime is 144111437. The next prime is 144111449. The reversal of 144111444 is 444111441.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144111449) 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, 8239 + ... + 18870.

It is an arithmetic number, because the mean of its divisors is an integer number (14042980).

Almost surely, 2^144111444 is an apocalyptic number.

It is an amenable number.

144111444 is an abundant number, since it is smaller than the sum of its proper divisors (192920076).

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

144111444 is a wasteful number, since it uses less digits than its factorization.

144111444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27559 (or 27557 counting only the distinct ones).

The product of its digits is 1024, while the sum is 24.

The square root of 144111444 is about 12004.6426019270. The cubic root of 144111444 is about 524.2834596711.

Adding to 144111444 its reverse (444111441), we get a palindrome (588222885).

The spelling of 144111444 in words is "one hundred forty-four million, one hundred eleven thousand, four hundred forty-four".