144221340344 has 8 divisors (see below), whose sum is σ = 270415013160. Its totient is φ = 72110670168.

The previous prime is 144221340317. The next prime is 144221340353. The reversal of 144221340344 is 443043122441.

It is a tau number, because it is divible by the number of its divisors (8).

It is a self number, because there is not a number n which added to its sum of digits gives 144221340344.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9013833764 + ... + 9013833779.

It is an arithmetic number, because the mean of its divisors is an integer number (33801876645).

Almost surely, 2^144221340344 is an apocalyptic number.

It is an amenable number.

144221340344 is a deficient number, since it is larger than the sum of its proper divisors (126193672816).

144221340344 is a wasteful number, since it uses less digits than its factorization.

144221340344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18027667549 (or 18027667545 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 32.

Adding to 144221340344 its reverse (443043122441), we get a palindrome (587264462785).

The spelling of 144221340344 in words is "one hundred forty-four billion, two hundred twenty-one million, three hundred forty thousand, three hundred forty-four".