144522168321 has 4 divisors (see below), whose sum is σ = 192696224432. Its totient is φ = 96348112212.

The previous prime is 144522168319. The next prime is 144522168341. The reversal of 144522168321 is 123861225441.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 144522168321 - 2¹ = 144522168319 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 144522168321.

It is not an unprimeable number, because it can be changed into a prime (144522168341) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24087028051 + ... + 24087028056.

It is an arithmetic number, because the mean of its divisors is an integer number (48174056108).

Almost surely, 2^144522168321 is an apocalyptic number.

It is an amenable number.

144522168321 is a deficient number, since it is larger than the sum of its proper divisors (48174056111).

144522168321 is an equidigital number, since it uses as much as digits as its factorization.

144522168321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48174056110.

The product of its digits is 92160, while the sum is 39.

The spelling of 144522168321 in words is "one hundred forty-four billion, five hundred twenty-two million, one hundred sixty-eight thousand, three hundred twenty-one".