1045245203 has 4 divisors (see below), whose sum is σ = 1045310280. Its totient is φ = 1045180128.

The previous prime is 1045245193. The next prime is 1045245209. The reversal of 1045245203 is 3025425401.

It is a happy number.

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 a de Polignac number, because none of the positive numbers 2^k-1045245203 is a prime.

It is a super-2 number, since 2×1045245203² = 2185075068789022418, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1045245209) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10763 + ... + 46971.

It is an arithmetic number, because the mean of its divisors is an integer number (261327570).

Almost surely, 2^1045245203 is an apocalyptic number.

1045245203 is a deficient number, since it is larger than the sum of its proper divisors (65077).

1045245203 is an equidigital number, since it uses as much as digits as its factorization.

1045245203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65076.

The product of its (nonzero) digits is 4800, while the sum is 26.

The square root of 1045245203 is about 32330.2521332575. The cubic root of 1045245203 is about 1014.8598261456.

It can be divided in two parts, 10452 and 45203, that added together give a palindrome (55655).

The spelling of 1045245203 in words is "one billion, forty-five million, two hundred forty-five thousand, two hundred three".