85452243 has 16 divisors (see below), whose sum is σ = 115356960. Its totient is φ = 56262656.

The previous prime is 85452229. The next prime is 85452281. The reversal of 85452243 is 34225458.

It is a cyclic number.

It is not a de Polignac number, because 85452243 - 2⁹ = 85451731 is a prime.

It is not an unprimeable number, because it can be changed into a prime (85452293) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 105223 + ... + 106031.

It is an arithmetic number, because the mean of its divisors is an integer number (7209810).

Almost surely, 2^85452243 is an apocalyptic number.

85452243 is a deficient number, since it is larger than the sum of its proper divisors (29904717).

85452243 is a wasteful number, since it uses less digits than its factorization.

85452243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1206.

The product of its digits is 38400, while the sum is 33.

The square root of 85452243 is about 9244.0382409421. The cubic root of 85452243 is about 440.4613669547.

The spelling of 85452243 in words is "eighty-five million, four hundred fifty-two thousand, two hundred forty-three".