8864145 has 24 divisors (see below), whose sum is σ = 15441192. Its totient is φ = 4704000.

The previous prime is 8864117. The next prime is 8864147. The reversal of 8864145 is 5414688.

8864145 is a `hidden beast` number, since 8 + 8 + 641 + 4 + 5 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 2944656 + 5919489 = 1716^2 + 2433^2 .

It is not a de Polignac number, because 8864145 - 2⁶ = 8864081 is a prime.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (8864147) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12295 + ... + 12995.

It is an arithmetic number, because the mean of its divisors is an integer number (643383).

Almost surely, 2^8864145 is an apocalyptic number.

It is an amenable number.

8864145 is a deficient number, since it is larger than the sum of its proper divisors (6577047).

8864145 is a wasteful number, since it uses less digits than its factorization.

8864145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 993 (or 990 counting only the distinct ones).

The product of its digits is 30720, while the sum is 36.

The square root of 8864145 is about 2977.2714018040. The cubic root of 8864145 is about 206.9564425610.

It can be divided in two parts, 8864 and 145, that added together give a palindrome (9009).

The spelling of 8864145 in words is "eight million, eight hundred sixty-four thousand, one hundred forty-five".