6145666 has 8 divisors (see below), whose sum is σ = 9238140. Its totient is φ = 3066288.

The previous prime is 6145661. The next prime is 6145693. The reversal of 6145666 is 6665416.

It can be written as a sum of positive squares in 2 ways, for example, as 6145441 + 225 = 2479^2 + 15^2 .

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

It is not an unprimeable number, because it can be changed into a prime (6145661) 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 3 ways as a sum of consecutive naturals, for example, 2001 + ... + 4036.

Almost surely, 2^6145666 is an apocalyptic number.

6145666 is a deficient number, since it is larger than the sum of its proper divisors (3092474).

6145666 is a wasteful number, since it uses less digits than its factorization.

6145666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6548.

The product of its digits is 25920, while the sum is 34.

The square root of 6145666 is about 2479.0453807867. The cubic root of 6145666 is about 183.1708319472.

The spelling of 6145666 in words is "six million, one hundred forty-five thousand, six hundred sixty-six".