8865045 has 80 divisors (see below), whose sum is σ = 18817920. Its totient is φ = 3908736.

The previous prime is 8865029. The next prime is 8865067. The reversal of 8865045 is 5405688.

It is a happy number.

It is not a de Polignac number, because 8865045 - 2⁴ = 8865029 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 150226 + ... + 150284.

It is an arithmetic number, because the mean of its divisors is an integer number (235224).

Almost surely, 2^8865045 is an apocalyptic number.

It is an amenable number.

8865045 is an abundant number, since it is smaller than the sum of its proper divisors (9952875).

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

8865045 is a wasteful number, since it uses less digits than its factorization.

8865045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136 (or 127 counting only the distinct ones).

The product of its (nonzero) digits is 38400, while the sum is 36.

The square root of 8865045 is about 2977.4225430731. The cubic root of 8865045 is about 206.9634466016.

The spelling of 8865045 in words is "eight million, eight hundred sixty-five thousand, forty-five".