1045511043 has 24 divisors (see below), whose sum is σ = 1486699200. Its totient is φ = 651742416.

The previous prime is 1045511009. The next prime is 1045511087. The reversal of 1045511043 is 3401155401.

It is a happy number.

It is not a de Polignac number, because 1045511043 - 2¹⁰ = 1045510019 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1045511003) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 354268 + ... + 357206.

It is an arithmetic number, because the mean of its divisors is an integer number (61945800).

Almost surely, 2^1045511043 is an apocalyptic number.

1045511043 is a deficient number, since it is larger than the sum of its proper divisors (441188157).

1045511043 is an equidigital number, since it uses as much as digits as its factorization.

1045511043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3119 (or 3040 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 24.

The square root of 1045511043 is about 32334.3631915026. The cubic root of 1045511043 is about 1014.9458561879.

Adding to 1045511043 its reverse (3401155401), we get a palindrome (4446666444).

The spelling of 1045511043 in words is "one billion, forty-five million, five hundred eleven thousand, forty-three".