85697142 has 16 divisors (see below), whose sum is σ = 173809152. Its totient is φ = 28163240.

The previous prime is 85697141. The next prime is 85697147. The reversal of 85697142 is 24179658.

It is a junction number, because it is equal to n+sod(n) for n = 85697094 and 85697103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85697141) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 100158 + ... + 101009.

It is an arithmetic number, because the mean of its divisors is an integer number (10863072).

Almost surely, 2^85697142 is an apocalyptic number.

85697142 is an abundant number, since it is smaller than the sum of its proper divisors (88112010).

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

85697142 is a wasteful number, since it uses less digits than its factorization.

85697142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 201243.

The product of its digits is 120960, while the sum is 42.

The square root of 85697142 is about 9257.2750850345. The cubic root of 85697142 is about 440.8817408028.

The spelling of 85697142 in words is "eighty-five million, six hundred ninety-seven thousand, one hundred forty-two".