45551173 has 2 divisors, whose sum is σ = 45551174. Its totient is φ = 45551172.

The previous prime is 45551171. The next prime is 45551239. The reversal of 45551173 is 37115554.

45551173 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 30935844 + 14615329 = 5562^2 + 3823^2 .

It is a cyclic number.

It is not a de Polignac number, because 45551173 - 2¹ = 45551171 is a prime.

Together with 45551171, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (45551171) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22775586 + 22775587.

It is an arithmetic number, because the mean of its divisors is an integer number (22775587).

Almost surely, 2^45551173 is an apocalyptic number.

It is an amenable number.

45551173 is a deficient number, since it is larger than the sum of its proper divisors (1).

45551173 is an equidigital number, since it uses as much as digits as its factorization.

45551173 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10500, while the sum is 31.

The square root of 45551173 is about 6749.1609108096. The cubic root of 45551173 is about 357.1356367226.

The spelling of 45551173 in words is "forty-five million, five hundred fifty-one thousand, one hundred seventy-three".