45688169 has 2 divisors, whose sum is σ = 45688170. Its totient is φ = 45688168.

The previous prime is 45688151. The next prime is 45688177. The reversal of 45688169 is 96188654.

45688169 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 44049769 + 1638400 = 6637^2 + 1280^2 .

It is a cyclic number.

It is not a de Polignac number, because 45688169 - 2²⁰ = 44639593 is a prime.

It is a super-2 number, since 2×45688169² = 4174817573145122, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (45688109) 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, 22844084 + 22844085.

It is an arithmetic number, because the mean of its divisors is an integer number (22844085).

Almost surely, 2^45688169 is an apocalyptic number.

It is an amenable number.

45688169 is a deficient number, since it is larger than the sum of its proper divisors (1).

45688169 is an equidigital number, since it uses as much as digits as its factorization.

45688169 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 414720, while the sum is 47.

The square root of 45688169 is about 6759.3024048344. The cubic root of 45688169 is about 357.4933090830.

The spelling of 45688169 in words is "forty-five million, six hundred eighty-eight thousand, one hundred sixty-nine".