44145332173 has 2 divisors, whose sum is σ = 44145332174. Its totient is φ = 44145332172.

The previous prime is 44145332117. The next prime is 44145332221. The reversal of 44145332173 is 37123354144.

44145332173 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 28553564484 + 15591767689 = 168978^2 + 124867^2 .

It is a cyclic number.

It is not a de Polignac number, because 44145332173 - 2⁹ = 44145331661 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (44145336173) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22072666086 + 22072666087.

It is an arithmetic number, because the mean of its divisors is an integer number (22072666087).

Almost surely, 2^44145332173 is an apocalyptic number.

It is an amenable number.

44145332173 is a deficient number, since it is larger than the sum of its proper divisors (1).

44145332173 is an equidigital number, since it uses as much as digits as its factorization.

44145332173 is an evil number, because the sum of its binary digits is even.

The product of its digits is 120960, while the sum is 37.

The spelling of 44145332173 in words is "forty-four billion, one hundred forty-five million, three hundred thirty-two thousand, one hundred seventy-three".