1045541203 has 8 divisors (see below), whose sum is σ = 1195204608. Its totient is φ = 895952904.

The previous prime is 1045541197. The next prime is 1045541213. The reversal of 1045541203 is 3021455401.

It is a happy number.

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

It is not a de Polignac number, because 1045541203 - 2⁵ = 1045541171 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1045541213) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15150 + ... + 48172.

It is an arithmetic number, because the mean of its divisors is an integer number (149400576).

Almost surely, 2^1045541203 is an apocalyptic number.

1045541203 is a deficient number, since it is larger than the sum of its proper divisors (149663405).

1045541203 is an equidigital number, since it uses as much as digits as its factorization.

1045541203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37553.

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 1045541203 is about 32334.8295650371. The cubic root of 1045541203 is about 1014.9556155214.

Adding to 1045541203 its reverse (3021455401), we get a palindrome (4066996604).

The spelling of 1045541203 in words is "one billion, forty-five million, five hundred forty-one thousand, two hundred three".