1004443045 has 8 divisors (see below), whose sum is σ = 1276233624. Its totient is φ = 756286464.

The previous prime is 1004443031. The next prime is 1004443057. The reversal of 1004443045 is 5403444001.

It can be written as a sum of positive squares in 4 ways, for example, as 414244609 + 590198436 = 20353^2 + 24294^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1004443045 - 2²⁵ = 970888613 is a prime.

It is a super-3 number, since 3×1004443045³ (a number of 28 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5908404 + ... + 5908573.

It is an arithmetic number, because the mean of its divisors is an integer number (159529203).

Almost surely, 2^1004443045 is an apocalyptic number.

It is an amenable number.

1004443045 is a deficient number, since it is larger than the sum of its proper divisors (271790579).

1004443045 is a wasteful number, since it uses less digits than its factorization.

1004443045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11816999.

The product of its (nonzero) digits is 3840, while the sum is 25.

The square root of 1004443045 is about 31692.9494525202. The cubic root of 1004443045 is about 1001.4788269927.

Adding to 1004443045 its reverse (5403444001), we get a palindrome (6407887046).

The spelling of 1004443045 in words is "one billion, four million, four hundred forty-three thousand, forty-five".