85427142 has 16 divisors (see below), whose sum is σ = 180904752. Its totient is φ = 26800640.

The previous prime is 85427101. The next prime is 85427161. The reversal of 85427142 is 24172458.

It is a congruent number.

It is an unprimeable number.

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, 418659 + ... + 418862.

It is an arithmetic number, because the mean of its divisors is an integer number (11306547).

Almost surely, 2^85427142 is an apocalyptic number.

85427142 is an abundant number, since it is smaller than the sum of its proper divisors (95477610).

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

85427142 is a wasteful number, since it uses less digits than its factorization.

85427142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 837543.

The product of its digits is 17920, while the sum is 33.

The square root of 85427142 is about 9242.6804553657. The cubic root of 85427142 is about 440.4182352471.

The spelling of 85427142 in words is "eighty-five million, four hundred twenty-seven thousand, one hundred forty-two".