105745447 has 2 divisors, whose sum is σ = 105745448. Its totient is φ = 105745446.

The previous prime is 105745417. The next prime is 105745459. The reversal of 105745447 is 744547501.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 105745447 - 2⁷ = 105745319 is a prime.

It is a super-2 number, since 2×105745447² = 22364199122459618, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (105745417) 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, 52872723 + 52872724.

It is an arithmetic number, because the mean of its divisors is an integer number (52872724).

Almost surely, 2^105745447 is an apocalyptic number.

105745447 is a deficient number, since it is larger than the sum of its proper divisors (1).

105745447 is an equidigital number, since it uses as much as digits as its factorization.

105745447 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 78400, while the sum is 37.

The square root of 105745447 is about 10283.2605237833. The cubic root of 105745447 is about 472.8832078778.

It can be divided in two parts, 1057454 and 47, that added together give a palindrome (1057501).

The spelling of 105745447 in words is "one hundred five million, seven hundred forty-five thousand, four hundred forty-seven".