445103042003 has 4 divisors (see below), whose sum is σ = 445108683120. Its totient is φ = 445097400888.

The previous prime is 445103041997. The next prime is 445103042017. The reversal of 445103042003 is 300240301544.

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 445103042003 - 2⁴ = 445103041987 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (445103042603) 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, 2700500 + ... + 2860577.

It is an arithmetic number, because the mean of its divisors is an integer number (111277170780).

Almost surely, 2^445103042003 is an apocalyptic number.

445103042003 is a deficient number, since it is larger than the sum of its proper divisors (5641117).

445103042003 is an equidigital number, since it uses as much as digits as its factorization.

445103042003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5641116.

The product of its (nonzero) digits is 5760, while the sum is 26.

Adding to 445103042003 its reverse (300240301544), we get a palindrome (745343343547).

The spelling of 445103042003 in words is "four hundred forty-five billion, one hundred three million, forty-two thousand, three".