9005445 has 32 divisors (see below), whose sum is σ = 16410240. Its totient is φ = 4682880.

The previous prime is 9005429. The next prime is 9005473. The reversal of 9005445 is 5445009.

It is not a de Polignac number, because 9005445 - 2⁴ = 9005429 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an Ulam number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4722 + ... + 6348.

It is an arithmetic number, because the mean of its divisors is an integer number (512820).

Almost surely, 2^9005445 is an apocalyptic number.

It is an amenable number.

9005445 is a deficient number, since it is larger than the sum of its proper divisors (7404795).

9005445 is a wasteful number, since it uses less digits than its factorization.

9005445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1682 (or 1676 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 27.

The square root of 9005445 is about 3000.9073627821. The cubic root of 9005445 is about 208.0503222055.

The spelling of 9005445 in words is "nine million, five thousand, four hundred forty-five".