3005445 has 8 divisors (see below), whose sum is σ = 4808736. Its totient is φ = 1602896.

The previous prime is 3005417. The next prime is 3005449. The reversal of 3005445 is 5445003.

It is a happy number.

3005445 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3005445 - 2⁶ = 3005381 is a prime.

It is a Curzon number.

3005445 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3005449) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 100167 + ... + 100196.

It is an arithmetic number, because the mean of its divisors is an integer number (601092).

Almost surely, 2^3005445 is an apocalyptic number.

It is an amenable number.

3005445 is a deficient number, since it is larger than the sum of its proper divisors (1803291).

3005445 is a wasteful number, since it uses less digits than its factorization.

3005445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 200371.

The product of its (nonzero) digits is 1200, while the sum is 21.

The square root of 3005445 is about 1733.6219311026. The cubic root of 3005445 is about 144.3121603930.

The spelling of 3005445 in words is "three million, five thousand, four hundred forty-five".