45105647 has 2 divisors, whose sum is σ = 45105648. Its totient is φ = 45105646.

The previous prime is 45105631. The next prime is 45105653. The reversal of 45105647 is 74650154.

45105647 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 is a cyclic number.

It is not a de Polignac number, because 45105647 - 2⁴ = 45105631 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (45105547) 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, 22552823 + 22552824.

It is an arithmetic number, because the mean of its divisors is an integer number (22552824).

Almost surely, 2^45105647 is an apocalyptic number.

45105647 is a deficient number, since it is larger than the sum of its proper divisors (1).

45105647 is an equidigital number, since it uses as much as digits as its factorization.

45105647 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 16800, while the sum is 32.

The square root of 45105647 is about 6716.0737786299. The cubic root of 45105647 is about 355.9674648338.

The spelling of 45105647 in words is "forty-five million, one hundred five thousand, six hundred forty-seven".