1045022403 has 8 divisors (see below), whose sum is σ = 1396771600. Its totient is φ = 694977408.

The previous prime is 1045022399. The next prime is 1045022467. The reversal of 1045022403 is 3042205401.

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

It is not a de Polignac number, because 1045022403 - 2² = 1045022399 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1045022403.

It is not an unprimeable number, because it can be changed into a prime (1045022483) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 424618 + ... + 427071.

It is an arithmetic number, because the mean of its divisors is an integer number (174596450).

Almost surely, 2^1045022403 is an apocalyptic number.

1045022403 is a deficient number, since it is larger than the sum of its proper divisors (351749197).

1045022403 is an equidigital number, since it uses as much as digits as its factorization.

1045022403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 852101.

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 1045022403 is about 32326.8062604396. The cubic root of 1045022403 is about 1014.7877132939.

Adding to 1045022403 its reverse (3042205401), we get a palindrome (4087227804).

The spelling of 1045022403 in words is "one billion, forty-five million, twenty-two thousand, four hundred three".