45819173 has 2 divisors, whose sum is σ = 45819174. Its totient is φ = 45819172.

The previous prime is 45819157. The next prime is 45819227. The reversal of 45819173 is 37191854.

45819173 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., 25180324 + 20638849 = 5018^2 + 4543^2 .

It is a cyclic number.

It is not a de Polignac number, because 45819173 - 2⁴ = 45819157 is a prime.

It is a super-2 number, since 2×45819173² = 4198793228807858, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (45819133) 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, 22909586 + 22909587.

It is an arithmetic number, because the mean of its divisors is an integer number (22909587).

Almost surely, 2^45819173 is an apocalyptic number.

It is an amenable number.

45819173 is a deficient number, since it is larger than the sum of its proper divisors (1).

45819173 is an equidigital number, since it uses as much as digits as its factorization.

45819173 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 30240, while the sum is 38.

The square root of 45819173 is about 6768.9861131487. The cubic root of 45819173 is about 357.8346692455.

The spelling of 45819173 in words is "forty-five million, eight hundred nineteen thousand, one hundred seventy-three".