86145218 has 8 divisors (see below), whose sum is σ = 133386240. Its totient is φ = 41683140.

The previous prime is 86145203. The next prime is 86145229. The reversal of 86145218 is 81254168.

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

It is an unprimeable number.

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, 694658 + ... + 694781.

It is an arithmetic number, because the mean of its divisors is an integer number (16673280).

Almost surely, 2^86145218 is an apocalyptic number.

86145218 is a deficient number, since it is larger than the sum of its proper divisors (47241022).

86145218 is a wasteful number, since it uses less digits than its factorization.

86145218 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1389472.

The product of its digits is 15360, while the sum is 35.

The square root of 86145218 is about 9281.4448228711. Note that the first 3 decimals coincide. The cubic root of 86145218 is about 441.6488034229.

The spelling of 86145218 in words is "eighty-six million, one hundred forty-five thousand, two hundred eighteen".