85271442 has 32 divisors (see below), whose sum is σ = 181757952. Its totient is φ = 26607504.

The previous prime is 85271441. The next prime is 85271467. The reversal of 85271442 is 24417258.

It is not an unprimeable number, because it can be changed into a prime (85271441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 88 + ... + 13059.

It is an arithmetic number, because the mean of its divisors is an integer number (5679936).

Almost surely, 2^85271442 is an apocalyptic number.

85271442 is an abundant number, since it is smaller than the sum of its proper divisors (96486510).

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

85271442 is a wasteful number, since it uses less digits than its factorization.

85271442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13222.

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

The square root of 85271442 is about 9234.2537327063. The cubic root of 85271442 is about 440.1505029220.

The spelling of 85271442 in words is "eighty-five million, two hundred seventy-one thousand, four hundred forty-two".