45071861173 has 2 divisors, whose sum is σ = 45071861174. Its totient is φ = 45071861172.

The previous prime is 45071861113. The next prime is 45071861189. The reversal of 45071861173 is 37116817054.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 22613242129 + 22458619044 = 150377^2 + 149862^2 .

It is a cyclic number.

It is not a de Polignac number, because 45071861173 - 2¹⁷ = 45071730101 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (45071861113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22535930586 + 22535930587.

It is an arithmetic number, because the mean of its divisors is an integer number (22535930587).

Almost surely, 2^45071861173 is an apocalyptic number.

It is an amenable number.

45071861173 is a deficient number, since it is larger than the sum of its proper divisors (1).

45071861173 is an equidigital number, since it uses as much as digits as its factorization.

45071861173 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 141120, while the sum is 43.

The spelling of 45071861173 in words is "forty-five billion, seventy-one million, eight hundred sixty-one thousand, one hundred seventy-three".