2045532205 has 8 divisors (see below), whose sum is σ = 2455015032. Its totient is φ = 1636174848.

The previous prime is 2045532169. The next prime is 2045532253. The reversal of 2045532205 is 5022355402.

It can be written as a sum of positive squares in 4 ways, for example, as 10259209 + 2035272996 = 3203^2 + 45114^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 2045532205 - 2¹⁷ = 2045401133 is a prime.

It is a Duffinian number.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 9297 + ... + 64633.

It is an arithmetic number, because the mean of its divisors is an integer number (306876879).

Almost surely, 2^2045532205 is an apocalyptic number.

It is an amenable number.

2045532205 is a deficient number, since it is larger than the sum of its proper divisors (409482827).

2045532205 is an equidigital number, since it uses as much as digits as its factorization.

2045532205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62735.

The product of its (nonzero) digits is 12000, while the sum is 28.

The square root of 2045532205 is about 45227.5602370944. The cubic root of 2045532205 is about 1269.4105609905.

Adding to 2045532205 its reverse (5022355402), we get a palindrome (7067887607).

The spelling of 2045532205 in words is "two billion, forty-five million, five hundred thirty-two thousand, two hundred five".