85445161 has 8 divisors (see below), whose sum is σ = 89457984. Its totient is φ = 81457200.

The previous prime is 85445141. The next prime is 85445177. The reversal of 85445161 is 16154458.

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 85445161 - 2¹³ = 85436969 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (85445141) by changing a digit.

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, 1011 + ... + 13111.

It is an arithmetic number, because the mean of its divisors is an integer number (11182248).

Almost surely, 2^85445161 is an apocalyptic number.

It is an amenable number.

85445161 is a deficient number, since it is larger than the sum of its proper divisors (4012823).

85445161 is a wasteful number, since it uses less digits than its factorization.

85445161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12431.

The product of its digits is 19200, while the sum is 34.

The square root of 85445161 is about 9243.6551753081. The cubic root of 85445161 is about 440.4491986235.

The spelling of 85445161 in words is "eighty-five million, four hundred forty-five thousand, one hundred sixty-one".