144442221442244 has 12 divisors (see below), whose sum is σ = 275753331844368. Its totient is φ = 65655555201000.

The previous prime is 144442221442213. The next prime is 144442221442297. The reversal of 144442221442244 is 442244122244441.

It is a Harshad number since it is a multiple of its sum of digits (44), and also a Moran number because the ratio is a prime number: 3282777760051 = 144442221442244 / (1 + 4 + 4 + 4 + 4 + 2 + 2 + 2 + 1 + 4 + 4 + 2 + 2 + 4 + 4).

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

It is a junction number, because it is equal to n+sod(n) for n = 144442221442195 and 144442221442204.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1641388879982 + ... + 1641388880069.

It is an arithmetic number, because the mean of its divisors is an integer number (22979444320364).

Almost surely, 2^{144442221442244} is an apocalyptic number.

It is an amenable number.

144442221442244 is a deficient number, since it is larger than the sum of its proper divisors (131311110402124).

144442221442244 is a wasteful number, since it uses less digits than its factorization.

144442221442244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3282777760066 (or 3282777760064 counting only the distinct ones).

The product of its digits is 2097152, while the sum is 44.

Adding to 144442221442244 its reverse (442244122244441), we get a palindrome (586686343686685).

The spelling of 144442221442244 in words is "one hundred forty-four trillion, four hundred forty-two billion, two hundred twenty-one million, four hundred forty-two thousand, two hundred forty-four".