86624145 has 48 divisors (see below), whose sum is σ = 155675520. Its totient is φ = 44529408.

The previous prime is 86624123. The next prime is 86624147. The reversal of 86624145 is 54142668.

It is not a de Polignac number, because 86624145 - 2⁵ = 86624113 is a prime.

It is not an unprimeable number, because it can be changed into a prime (86624147) 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 47 ways as a sum of consecutive naturals, for example, 171964 + ... + 172466.

It is an arithmetic number, because the mean of its divisors is an integer number (3243240).

Almost surely, 2^86624145 is an apocalyptic number.

It is an amenable number.

86624145 is a deficient number, since it is larger than the sum of its proper divisors (69051375).

86624145 is a wasteful number, since it uses less digits than its factorization.

86624145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 646 (or 643 counting only the distinct ones).

The product of its digits is 46080, while the sum is 36.

The square root of 86624145 is about 9307.2093024709. The cubic root of 86624145 is about 442.4657447389.

The spelling of 86624145 in words is "eighty-six million, six hundred twenty-four thousand, one hundred forty-five".