86145633 has 32 divisors (see below), whose sum is σ = 149425920. Its totient is φ = 48021120.

The previous prime is 86145623. The next prime is 86145637. The reversal of 86145633 is 33654168.

86145633 is a `hidden beast` number, since 8 + 6 + 14 + 5 + 633 = 666.

It is not a de Polignac number, because 86145633 - 2⁸ = 86145377 is a prime.

It is not an unprimeable number, because it can be changed into a prime (86145637) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2191 + ... + 13307.

It is an arithmetic number, because the mean of its divisors is an integer number (4669560).

Almost surely, 2^86145633 is an apocalyptic number.

It is an amenable number.

86145633 is a deficient number, since it is larger than the sum of its proper divisors (63280287).

86145633 is a wasteful number, since it uses less digits than its factorization.

86145633 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11174 (or 11168 counting only the distinct ones).

The product of its digits is 51840, while the sum is 36.

The square root of 86145633 is about 9281.4671792772. The cubic root of 86145633 is about 441.6495126283.

The spelling of 86145633 in words is "eighty-six million, one hundred forty-five thousand, six hundred thirty-three".