85197142 has 8 divisors (see below), whose sum is σ = 128271600. Its totient is φ = 42439944.

The previous prime is 85197127. The next prime is 85197163. The reversal of 85197142 is 24179158.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 78642 + ... + 79717.

It is an arithmetic number, because the mean of its divisors is an integer number (16033950).

Almost surely, 2^85197142 is an apocalyptic number.

85197142 is a deficient number, since it is larger than the sum of its proper divisors (43074458).

85197142 is a wasteful number, since it uses less digits than its factorization.

85197142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 158630.

The product of its digits is 20160, while the sum is 37.

The square root of 85197142 is about 9230.2297912891. The cubic root of 85197142 is about 440.0226262469.

The spelling of 85197142 in words is "eighty-five million, one hundred ninety-seven thousand, one hundred forty-two".