85143016 has 32 divisors (see below), whose sum is σ = 185898240. Its totient is φ = 35800128.

The previous prime is 85143013. The next prime is 85143017. The reversal of 85143016 is 61034158.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is not an unprimeable number, because it can be changed into a prime (85143013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11376 + ... + 17311.

It is an arithmetic number, because the mean of its divisors is an integer number (5809320).

Almost surely, 2^85143016 is an apocalyptic number.

It is an amenable number.

85143016 is an abundant number, since it is smaller than the sum of its proper divisors (100755224).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

85143016 is a wasteful number, since it uses less digits than its factorization.

85143016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28753 (or 28749 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 28.

The square root of 85143016 is about 9227.2973291208. The cubic root of 85143016 is about 439.9294239419.

The spelling of 85143016 in words is "eighty-five million, one hundred forty-three thousand, sixteen".