86145340 has 24 divisors (see below), whose sum is σ = 185114160. Its totient is φ = 33656448.

The previous prime is 86145233. The next prime is 86145343. The reversal of 86145340 is 4354168.

It is a happy number.

It is a hoax number, since the sum of its digits (31) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86145343) 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, 49225 + ... + 50944.

It is an arithmetic number, because the mean of its divisors is an integer number (7713090).

Almost surely, 2^86145340 is an apocalyptic number.

It is an amenable number.

86145340 is an abundant number, since it is smaller than the sum of its proper divisors (98968820).

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

86145340 is a wasteful number, since it uses less digits than its factorization.

86145340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100221 (or 100219 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 31.

The square root of 86145340 is about 9281.4513951213. The cubic root of 86145340 is about 441.6490119125.

The spelling of 86145340 in words is "eighty-six million, one hundred forty-five thousand, three hundred forty".