86045189 has 4 divisors (see below), whose sum is σ = 86232300. Its totient is φ = 85858080.

The previous prime is 86045153. The next prime is 86045191. The reversal of 86045189 is 98154068.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 66552964 + 19492225 = 8158^2 + 4415^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-86045189 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86045149) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 92864 + ... + 93785.

It is an arithmetic number, because the mean of its divisors is an integer number (21558075).

Almost surely, 2^86045189 is an apocalyptic number.

It is an amenable number.

86045189 is a deficient number, since it is larger than the sum of its proper divisors (187111).

86045189 is a wasteful number, since it uses less digits than its factorization.

86045189 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 187110.

The product of its (nonzero) digits is 69120, while the sum is 41.

The square root of 86045189 is about 9276.0546031166. The cubic root of 86045189 is about 441.4777945171.

The spelling of 86045189 in words is "eighty-six million, forty-five thousand, one hundred eighty-nine".