1045350203 has 4 divisors (see below), whose sum is σ = 1045416960. Its totient is φ = 1045283448.

The previous prime is 1045350197. The next prime is 1045350239. The reversal of 1045350203 is 3020535401.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 1045350203 - 2⁶ = 1045350139 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1045350283) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4253 + ... + 45921.

It is an arithmetic number, because the mean of its divisors is an integer number (261354240).

Almost surely, 2^1045350203 is an apocalyptic number.

1045350203 is a deficient number, since it is larger than the sum of its proper divisors (66757).

1045350203 is an equidigital number, since it uses as much as digits as its factorization.

1045350203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66756.

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

The square root of 1045350203 is about 32331.8759585645. The cubic root of 1045350203 is about 1014.8938075544.

Adding to 1045350203 its reverse (3020535401), we get a palindrome (4065885604).

The spelling of 1045350203 in words is "one billion, forty-five million, three hundred fifty thousand, two hundred three".