1243303045 has 16 divisors (see below), whose sum is σ = 1542469248. Its totient is φ = 961329600.

The previous prime is 1243303043. The next prime is 1243303063. The reversal of 1243303045 is 5403033421.

It is not a de Polignac number, because 1243303045 - 2¹ = 1243303043 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1243303043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5682 + ... + 50188.

It is an arithmetic number, because the mean of its divisors is an integer number (96404328).

Almost surely, 2^1243303045 is an apocalyptic number.

It is an amenable number.

1243303045 is a deficient number, since it is larger than the sum of its proper divisors (299166203).

1243303045 is a wasteful number, since it uses less digits than its factorization.

1243303045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44700.

The product of its (nonzero) digits is 4320, while the sum is 25.

The square root of 1243303045 is about 35260.5026197869. The cubic root of 1243303045 is about 1075.2901455866.

Adding to 1243303045 its reverse (5403033421), we get a palindrome (6646336466).

The spelling of 1243303045 in words is "one billion, two hundred forty-three million, three hundred three thousand, forty-five".