85160645 has 6 divisors (see below), whose sum is σ = 102217542. Its totient is φ = 68112008.

The previous prime is 85160623. The next prime is 85160687. The reversal of 85160645 is 54606158.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 68128516 + 17032129 = 8254^2 + 4127^2 .

It is not a de Polignac number, because 85160645 - 2⁸ = 85160389 is a prime.

It is a Duffinian number.

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 5 ways as a sum of consecutive naturals, for example, 18572 + ... + 22698.

It is an arithmetic number, because the mean of its divisors is an integer number (17036257).

Almost surely, 2^85160645 is an apocalyptic number.

It is an amenable number.

85160645 is a deficient number, since it is larger than the sum of its proper divisors (17056897).

85160645 is an frugal number, since it uses more digits than its factorization.

85160645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8259 (or 4132 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 35.

The square root of 85160645 is about 9228.2525431416. The cubic root of 85160645 is about 439.9597845476.

The spelling of 85160645 in words is "eighty-five million, one hundred sixty thousand, six hundred forty-five".