144483221821 has 8 divisors (see below), whose sum is σ = 150216953600. Its totient is φ = 138816551520.

The previous prime is 144483221819. The next prime is 144483221887. The reversal of 144483221821 is 128122384441.

144483221821 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 144483221821 - 2¹ = 144483221819 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144483221801) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16760976 + ... + 16769593.

It is an arithmetic number, because the mean of its divisors is an integer number (18777119200).

Almost surely, 2^144483221821 is an apocalyptic number.

It is an amenable number.

144483221821 is a deficient number, since it is larger than the sum of its proper divisors (5733731779).

144483221821 is a wasteful number, since it uses less digits than its factorization.

144483221821 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33530739.

The product of its digits is 98304, while the sum is 40.

The spelling of 144483221821 in words is "one hundred forty-four billion, four hundred eighty-three million, two hundred twenty-one thousand, eight hundred twenty-one".