85645133 has 16 divisors (see below), whose sum is σ = 105068160. Its totient is φ = 68138496.

The previous prime is 85645129. The next prime is 85645163. The reversal of 85645133 is 33154658.

It is a cyclic number.

It is not a de Polignac number, because 85645133 - 2² = 85645129 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 85645093 and 85645102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85645163) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3758 + ... + 13616.

It is an arithmetic number, because the mean of its divisors is an integer number (6566760).

Almost surely, 2^85645133 is an apocalyptic number.

It is an amenable number.

85645133 is a deficient number, since it is larger than the sum of its proper divisors (19423027).

85645133 is a wasteful number, since it uses less digits than its factorization.

85645133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9956.

The product of its digits is 43200, while the sum is 35.

The square root of 85645133 is about 9254.4655707393. The cubic root of 85645133 is about 440.7925333989.

The spelling of 85645133 in words is "eighty-five million, six hundred forty-five thousand, one hundred thirty-three".