4145686 has 8 divisors (see below), whose sum is σ = 6545880. Its totient is φ = 1963728.

The previous prime is 4145677. The next prime is 4145689. The reversal of 4145686 is 6865414.

4145686 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 congruent number.

It is not an unprimeable number, because it can be changed into a prime (4145689) 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, 54511 + ... + 54586.

It is an arithmetic number, because the mean of its divisors is an integer number (818235).

Almost surely, 2^4145686 is an apocalyptic number.

4145686 is a deficient number, since it is larger than the sum of its proper divisors (2400194).

4145686 is a wasteful number, since it uses less digits than its factorization.

4145686 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109118.

The product of its digits is 23040, while the sum is 34.

The square root of 4145686 is about 2036.0957737788. The cubic root of 4145686 is about 160.6443546855.

The spelling of 4145686 in words is "four million, one hundred forty-five thousand, six hundred eighty-six".