6805045 has 8 divisors (see below), whose sum is σ = 8794296. Its totient is φ = 5025216.

The previous prime is 6805037. The next prime is 6805061. The reversal of 6805045 is 5405086.

6805045 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 459684 + 6345361 = 678^2 + 2519^2 .

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 6805045 - 2³ = 6805037 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 52282 + ... + 52411.

It is an arithmetic number, because the mean of its divisors is an integer number (1099287).

Almost surely, 2^6805045 is an apocalyptic number.

6805045 is a gapful number since it is divisible by the number (65) formed by its first and last digit.

It is an amenable number.

6805045 is a deficient number, since it is larger than the sum of its proper divisors (1989251).

6805045 is a wasteful number, since it uses less digits than its factorization.

6805045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104711.

The product of its (nonzero) digits is 4800, while the sum is 28.

The square root of 6805045 is about 2608.6481173205. The cubic root of 6805045 is about 189.5004884851.

The spelling of 6805045 in words is "six million, eight hundred five thousand, forty-five".