85245172 has 24 divisors (see below), whose sum is σ = 159383840. Its totient is φ = 39774240.

The previous prime is 85245137. The next prime is 85245203. The reversal of 85245172 is 27154258.

It is a happy number.

It is a super-3 number, since 3×85245172³ (a number of 25 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3279 + ... + 13462.

Almost surely, 2^85245172 is an apocalyptic number.

It is an amenable number.

85245172 is a deficient number, since it is larger than the sum of its proper divisors (74138668).

85245172 is a wasteful number, since it uses less digits than its factorization.

85245172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16831 (or 16829 counting only the distinct ones).

The product of its digits is 22400, while the sum is 34.

The square root of 85245172 is about 9232.8312017495. The cubic root of 85245172 is about 440.1052984900.

The spelling of 85245172 in words is "eighty-five million, two hundred forty-five thousand, one hundred seventy-two".