144422042173 has 2 divisors, whose sum is σ = 144422042174. Its totient is φ = 144422042172.

The previous prime is 144422042119. The next prime is 144422042207. The reversal of 144422042173 is 371240224441.

It is an a-pointer prime, because the next prime (144422042207) can be obtained adding 144422042173 to its sum of digits (34).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 119027070009 + 25394972164 = 345003^2 + 159358^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-144422042173 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (144422049173) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72211021086 + 72211021087.

It is an arithmetic number, because the mean of its divisors is an integer number (72211021087).

Almost surely, 2^144422042173 is an apocalyptic number.

It is an amenable number.

144422042173 is a deficient number, since it is larger than the sum of its proper divisors (1).

144422042173 is an equidigital number, since it uses as much as digits as its factorization.

144422042173 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 43008, while the sum is 34.

The spelling of 144422042173 in words is "one hundred forty-four billion, four hundred twenty-two million, forty-two thousand, one hundred seventy-three".