85081142 has 8 divisors (see below), whose sum is σ = 129159576. Its totient is φ = 42027952.

The previous prime is 85081121. The next prime is 85081177. The reversal of 85081142 is 24118058.

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, 256103 + ... + 256434.

It is an arithmetic number, because the mean of its divisors is an integer number (16144947).

Almost surely, 2^85081142 is an apocalyptic number.

85081142 is a deficient number, since it is larger than the sum of its proper divisors (44078434).

85081142 is a wasteful number, since it uses less digits than its factorization.

85081142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 512622.

The product of its (nonzero) digits is 2560, while the sum is 29.

The square root of 85081142 is about 9223.9439503935. The cubic root of 85081142 is about 439.8228315643.

The spelling of 85081142 in words is "eighty-five million, eighty-one thousand, one hundred forty-two".