144221214444 has 24 divisors (see below), whose sum is σ = 342032827248. Its totient is φ = 47285643840.

The previous prime is 144221214437. The next prime is 144221214491. The reversal of 144221214444 is 444412122441.

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

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 98511027 + ... + 98512490.

It is an arithmetic number, because the mean of its divisors is an integer number (14251367802).

Almost surely, 2^144221214444 is an apocalyptic number.

It is an amenable number.

144221214444 is an abundant number, since it is smaller than the sum of its proper divisors (197811612804).

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

144221214444 is a wasteful number, since it uses less digits than its factorization.

144221214444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 197023585 (or 197023583 counting only the distinct ones).

The product of its digits is 32768, while the sum is 33.

Adding to 144221214444 its reverse (444412122441), we get a palindrome (588633336885).

The spelling of 144221214444 in words is "one hundred forty-four billion, two hundred twenty-one million, two hundred fourteen thousand, four hundred forty-four".