45644873 has 2 divisors, whose sum is σ = 45644874. Its totient is φ = 45644872.

The previous prime is 45644867. The next prime is 45644899. The reversal of 45644873 is 37844654.

45644873 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., 36385024 + 9259849 = 6032^2 + 3043^2 .

It is a cyclic number.

It is not a de Polignac number, because 45644873 - 2¹⁰ = 45643849 is a prime.

It is a super-2 number, since 2×45644873² = 4166908862372258, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 45644873.

It is not a weakly prime, because it can be changed into another prime (45644843) 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, 22822436 + 22822437.

It is an arithmetic number, because the mean of its divisors is an integer number (22822437).

Almost surely, 2^45644873 is an apocalyptic number.

It is an amenable number.

45644873 is a deficient number, since it is larger than the sum of its proper divisors (1).

45644873 is an equidigital number, since it uses as much as digits as its factorization.

45644873 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 322560, while the sum is 41.

The square root of 45644873 is about 6756.0989483577. The cubic root of 45644873 is about 357.3803482412.

The spelling of 45644873 in words is "forty-five million, six hundred forty-four thousand, eight hundred seventy-three".