1045011443 has 4 divisors (see below), whose sum is σ = 1194298800. Its totient is φ = 895724088.

The previous prime is 1045011421. The next prime is 1045011493. The reversal of 1045011443 is 3441105401.

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

It is not a de Polignac number, because 1045011443 - 2²⁰ = 1043962867 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1045011493) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 74643668 + ... + 74643681.

It is an arithmetic number, because the mean of its divisors is an integer number (298574700).

Almost surely, 2^1045011443 is an apocalyptic number.

1045011443 is a deficient number, since it is larger than the sum of its proper divisors (149287357).

1045011443 is an equidigital number, since it uses as much as digits as its factorization.

1045011443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149287356.

The product of its (nonzero) digits is 960, while the sum is 23.

The square root of 1045011443 is about 32326.6367412386. The cubic root of 1045011443 is about 1014.7841656468.

Adding to 1045011443 its reverse (3441105401), we get a palindrome (4486116844).

The spelling of 1045011443 in words is "one billion, forty-five million, eleven thousand, four hundred forty-three".