1045440947 has 2 divisors, whose sum is σ = 1045440948. Its totient is φ = 1045440946.

The previous prime is 1045440937. The next prime is 1045440961. The reversal of 1045440947 is 7490445401.

1045440947 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1045440947 - 2¹² = 1045436851 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1045440947.

It is not a weakly prime, because it can be changed into another prime (1045440937) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 522720473 + 522720474.

It is an arithmetic number, because the mean of its divisors is an integer number (522720474).

Almost surely, 2^1045440947 is an apocalyptic number.

1045440947 is a deficient number, since it is larger than the sum of its proper divisors (1).

1045440947 is an equidigital number, since it uses as much as digits as its factorization.

1045440947 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 80640, while the sum is 38.

The square root of 1045440947 is about 32333.2792490957. The cubic root of 1045440947 is about 1014.9231734258.

The spelling of 1045440947 in words is "one billion, forty-five million, four hundred forty thousand, nine hundred forty-seven".