2045203042 has 8 divisors (see below), whose sum is σ = 3073123116. Its totient is φ = 1020828672.

The previous prime is 2045202983. The next prime is 2045203063. The reversal of 2045203042 is 2403025402.

It can be written as a sum of positive squares in 2 ways, for example, as 2020412601 + 24790441 = 44949^2 + 4979^2 .

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 884983 + ... + 887290.

Almost surely, 2^2045203042 is an apocalyptic number.

2045203042 is a deficient number, since it is larger than the sum of its proper divisors (1027920074).

2045203042 is a wasteful number, since it uses less digits than its factorization.

2045203042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1772852.

The product of its (nonzero) digits is 1920, while the sum is 22.

The square root of 2045203042 is about 45223.9211258820. The cubic root of 2045203042 is about 1269.3424669916.

Adding to 2045203042 its reverse (2403025402), we get a palindrome (4448228444).

The spelling of 2045203042 in words is "two billion, forty-five million, two hundred three thousand, forty-two".