45563671 has 2 divisors, whose sum is σ = 45563672. Its totient is φ = 45563670.

The previous prime is 45563647. The next prime is 45563699. The reversal of 45563671 is 17636554.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 45563671 - 2¹⁹ = 45039383 is a prime.

It is a super-2 number, since 2×45563671² = 4152096229992482, 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 45563671.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (45563641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22781835 + 22781836.

It is an arithmetic number, because the mean of its divisors is an integer number (22781836).

Almost surely, 2^45563671 is an apocalyptic number.

45563671 is a deficient number, since it is larger than the sum of its proper divisors (1).

45563671 is an equidigital number, since it uses as much as digits as its factorization.

45563671 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 75600, while the sum is 37.

The square root of 45563671 is about 6750.0867401834. The cubic root of 45563671 is about 357.1682964965.

The spelling of 45563671 in words is "forty-five million, five hundred sixty-three thousand, six hundred seventy-one".