1045520443 has 4 divisors (see below), whose sum is σ = 1140567768. Its totient is φ = 950473120.

The previous prime is 1045520431. The next prime is 1045520449. The reversal of 1045520443 is 3440255401.

1045520443 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1045520443 is a prime.

It is a super-2 number, since 2×1045520443² = 2186225993461832498, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1045520449) 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, 47523646 + ... + 47523667.

It is an arithmetic number, because the mean of its divisors is an integer number (285141942).

Almost surely, 2^1045520443 is an apocalyptic number.

1045520443 is a deficient number, since it is larger than the sum of its proper divisors (95047325).

1045520443 is an equidigital number, since it uses as much as digits as its factorization.

1045520443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95047324.

The product of its (nonzero) digits is 9600, while the sum is 28.

The square root of 1045520443 is about 32334.5085473709. The cubic root of 1045520443 is about 1014.9488979101.

Adding to 1045520443 its reverse (3440255401), we get a palindrome (4485775844).

The spelling of 1045520443 in words is "one billion, forty-five million, five hundred twenty thousand, four hundred forty-three".