1045203305 has 8 divisors (see below), whose sum is σ = 1254435144. Its totient is φ = 836035200.

The previous prime is 1045203293. The next prime is 1045203311. The reversal of 1045203305 is 5033025401.

1045203305 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 722749456 + 322453849 = 26884^2 + 17957^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1045203305 - 2¹⁰ = 1045202281 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34895 + ... + 57515.

It is an arithmetic number, because the mean of its divisors is an integer number (156804393).

Almost surely, 2^1045203305 is an apocalyptic number.

It is an amenable number.

1045203305 is a deficient number, since it is larger than the sum of its proper divisors (209231839).

1045203305 is an equidigital number, since it uses as much as digits as its factorization.

1045203305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31867.

The product of its (nonzero) digits is 1800, while the sum is 23.

The square root of 1045203305 is about 32329.6041577994. The cubic root of 1045203305 is about 1014.8462659573.

Adding to 1045203305 its reverse (5033025401), we get a palindrome (6078228706).

The spelling of 1045203305 in words is "one billion, forty-five million, two hundred three thousand, three hundred five".