1040045303 has 16 divisors (see below), whose sum is σ = 1203351552. Its totient is φ = 889548000.

The previous prime is 1040045297. The next prime is 1040045317. The reversal of 1040045303 is 3035400401.

It is not a de Polignac number, because 1040045303 - 2²⁰ = 1038996727 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1040045323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18263 + ... + 49128.

It is an arithmetic number, because the mean of its divisors is an integer number (75209472).

Almost surely, 2^1040045303 is an apocalyptic number.

1040045303 is a deficient number, since it is larger than the sum of its proper divisors (163306249).

1040045303 is a wasteful number, since it uses less digits than its factorization.

1040045303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67486.

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 1040045303 is about 32249.7333787428. The cubic root of 1040045303 is about 1013.1741148760.

Adding to 1040045303 its reverse (3035400401), we get a palindrome (4075445704).

The spelling of 1040045303 in words is "one billion, forty million, forty-five thousand, three hundred three".