1045304243 has 4 divisors (see below), whose sum is σ = 1069613688. Its totient is φ = 1020994800.

The previous prime is 1045304219. The next prime is 1045304251. The reversal of 1045304243 is 3424035401.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3424035401 = 353 ⋅9699817.

It is a cyclic number.

It is not a de Polignac number, because 1045304243 - 2¹⁰ = 1045303219 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1045304203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12154658 + ... + 12154743.

It is an arithmetic number, because the mean of its divisors is an integer number (267403422).

Almost surely, 2^1045304243 is an apocalyptic number.

1045304243 is a deficient number, since it is larger than the sum of its proper divisors (24309445).

1045304243 is an equidigital number, since it uses as much as digits as its factorization.

1045304243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24309444.

The product of its (nonzero) digits is 5760, while the sum is 26.

The square root of 1045304243 is about 32331.1651970664. The cubic root of 1045304243 is about 1014.8789336863.

Adding to 1045304243 its reverse (3424035401), we get a palindrome (4469339644).

The spelling of 1045304243 in words is "one billion, forty-five million, three hundred four thousand, two hundred forty-three".