6806145 has 16 divisors (see below), whose sum is σ = 10950912. Its totient is φ = 3609600.

The previous prime is 6806119. The next prime is 6806147. The reversal of 6806145 is 5416086.

It is not a de Polignac number, because 6806145 - 2⁷ = 6806017 is a prime.

It is a super-2 number, since 2×6806145² = 92647219522050, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (6806147) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1720 + ... + 4070.

It is an arithmetic number, because the mean of its divisors is an integer number (684432).

Almost surely, 2^6806145 is an apocalyptic number.

It is an amenable number.

6806145 is a deficient number, since it is larger than the sum of its proper divisors (4144767).

6806145 is a wasteful number, since it uses less digits than its factorization.

6806145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2552.

The product of its (nonzero) digits is 5760, while the sum is 30.

The square root of 6806145 is about 2608.8589459762. The cubic root of 6806145 is about 189.5106985232.

The spelling of 6806145 in words is "six million, eight hundred six thousand, one hundred forty-five".