86422545 has 80 divisors (see below), whose sum is σ = 178073280. Its totient is φ = 39657600.

The previous prime is 86422541. The next prime is 86422559. The reversal of 86422545 is 54522468.

It is a happy number.

86422545 is a `hidden beast` number, since 8 + 642 + 2 + 5 + 4 + 5 = 666.

It is not a de Polignac number, because 86422545 - 2² = 86422541 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86422541) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 84135 + ... + 85155.

It is an arithmetic number, because the mean of its divisors is an integer number (2225916).

Almost surely, 2^86422545 is an apocalyptic number.

It is an amenable number.

86422545 is an abundant number, since it is smaller than the sum of its proper divisors (91650735).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

86422545 is a wasteful number, since it uses less digits than its factorization.

86422545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1068 (or 1059 counting only the distinct ones).

The product of its digits is 76800, while the sum is 36.

The square root of 86422545 is about 9296.3726797069. The cubic root of 86422545 is about 442.1222285716.

It can be divided in two parts, 864 and 22545, that added together give a square (23409 = 153²).

The spelling of 86422545 in words is "eighty-six million, four hundred twenty-two thousand, five hundred forty-five".