4105445 has 4 divisors (see below), whose sum is σ = 4926540. Its totient is φ = 3284352.

The previous prime is 4105399. The next prime is 4105457. The reversal of 4105445 is 5445014.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5445014 = 2 ⋅2722507.

It can be written as a sum of positive squares in 2 ways, for example, as 638401 + 3467044 = 799^2 + 1862^2 .

It is a cyclic number.

It is not a de Polignac number, because 4105445 - 2¹⁰ = 4104421 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 4105445.

It is a congruent number.

It is an unprimeable number.

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 in 3 ways as a sum of consecutive naturals, for example, 410540 + ... + 410549.

It is an arithmetic number, because the mean of its divisors is an integer number (1231635).

Almost surely, 2^4105445 is an apocalyptic number.

It is an amenable number.

4105445 is a deficient number, since it is larger than the sum of its proper divisors (821095).

4105445 is an equidigital number, since it uses as much as digits as its factorization.

4105445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 821094.

The product of its (nonzero) digits is 1600, while the sum is 23.

The square root of 4105445 is about 2026.1897739353. The cubic root of 4105445 is about 160.1228873635.

The spelling of 4105445 in words is "four million, one hundred five thousand, four hundred forty-five".