85135845 has 8 divisors (see below), whose sum is σ = 136217376. Its totient is φ = 45405776.

The previous prime is 85135823. The next prime is 85135871. The reversal of 85135845 is 54853158.

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

It is a cyclic number.

It is not a de Polignac number, because 85135845 - 2⁶ = 85135781 is a prime.

It is a super-2 number, since 2×85135845² = 14496224207728050, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2837847 + ... + 2837876.

It is an arithmetic number, because the mean of its divisors is an integer number (17027172).

Almost surely, 2^85135845 is an apocalyptic number.

It is an amenable number.

85135845 is a deficient number, since it is larger than the sum of its proper divisors (51081531).

85135845 is a wasteful number, since it uses less digits than its factorization.

85135845 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5675731.

The product of its digits is 96000, while the sum is 39.

The square root of 85135845 is about 9226.9087456201. The cubic root of 85135845 is about 439.9170728703.

The spelling of 85135845 in words is "eighty-five million, one hundred thirty-five thousand, eight hundred forty-five".