4445003 has 4 divisors (see below), whose sum is σ = 4638288. Its totient is φ = 4251720.

The previous prime is 4444991. The next prime is 4445017. The reversal of 4445003 is 3005444.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 4445003 - 2⁸ = 4444747 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4445083) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 96608 + ... + 96653.

It is an arithmetic number, because the mean of its divisors is an integer number (1159572).

Almost surely, 2^4445003 is an apocalyptic number.

4445003 is a deficient number, since it is larger than the sum of its proper divisors (193285).

4445003 is a wasteful number, since it uses less digits than its factorization.

4445003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 193284.

The product of its (nonzero) digits is 960, while the sum is 20.

The square root of 4445003 is about 2108.3175756987. The cubic root of 4445003 is about 164.4210255825.

The spelling of 4445003 in words is "four million, four hundred forty-five thousand, three".