86143156 has 12 divisors (see below), whose sum is σ = 164455200. Its totient is φ = 39155960.

The previous prime is 86143121. The next prime is 86143157. The reversal of 86143156 is 65134168.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86143157) 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, 978856 + ... + 978943.

It is an arithmetic number, because the mean of its divisors is an integer number (13704600).

Almost surely, 2^86143156 is an apocalyptic number.

It is an amenable number.

86143156 is a deficient number, since it is larger than the sum of its proper divisors (78312044).

86143156 is a wasteful number, since it uses less digits than its factorization.

86143156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1957814 (or 1957812 counting only the distinct ones).

The product of its digits is 17280, while the sum is 34.

The square root of 86143156 is about 9281.3337403630. Note that the first 3 decimals coincide. The cubic root of 86143156 is about 441.6452795783.

The spelling of 86143156 in words is "eighty-six million, one hundred forty-three thousand, one hundred fifty-six".