105845671 has 2 divisors, whose sum is σ = 105845672. Its totient is φ = 105845670.

The previous prime is 105845669. The next prime is 105845681. The reversal of 105845671 is 176548501.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 105845671 - 2¹ = 105845669 is a prime.

It is a super-2 number, since 2×105845671² = 22406612138880482, which contains 22 as substring.

Together with 105845669, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 105845671.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (105845681) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52922835 + 52922836.

It is an arithmetic number, because the mean of its divisors is an integer number (52922836).

Almost surely, 2^105845671 is an apocalyptic number.

105845671 is a deficient number, since it is larger than the sum of its proper divisors (1).

105845671 is an equidigital number, since it uses as much as digits as its factorization.

105845671 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 33600, while the sum is 37.

The square root of 105845671 is about 10288.1325321946. The cubic root of 105845671 is about 473.0325579843.

The spelling of 105845671 in words is "one hundred five million, eight hundred forty-five thousand, six hundred seventy-one".