45422173 has 2 divisors, whose sum is σ = 45422174. Its totient is φ = 45422172.

The previous prime is 45422101. The next prime is 45422177. The reversal of 45422173 is 37122454.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 43270084 + 2152089 = 6578^2 + 1467^2 .

It is a cyclic number.

It is not a de Polignac number, because 45422173 - 2²¹ = 43325021 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (45422177) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22711086 + 22711087.

It is an arithmetic number, because the mean of its divisors is an integer number (22711087).

Almost surely, 2^45422173 is an apocalyptic number.

It is an amenable number.

45422173 is a deficient number, since it is larger than the sum of its proper divisors (1).

45422173 is an equidigital number, since it uses as much as digits as its factorization.

45422173 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6720, while the sum is 28.

The square root of 45422173 is about 6739.5973915361. The cubic root of 45422173 is about 356.7981843374.

The spelling of 45422173 in words is "forty-five million, four hundred twenty-two thousand, one hundred seventy-three".