2045052205 has 16 divisors (see below), whose sum is σ = 2811726720. Its totient is φ = 1398779712.

The previous prime is 2045052157. The next prime is 2045052209. The reversal of 2045052205 is 5022505402.

It is a happy number.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2045052205 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2045052205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2045052209) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 59695 + ... + 87484.

It is an arithmetic number, because the mean of its divisors is an integer number (175732920).

Almost surely, 2^2045052205 is an apocalyptic number.

It is an amenable number.

2045052205 is a deficient number, since it is larger than the sum of its proper divisors (766674515).

2045052205 is a wasteful number, since it uses less digits than its factorization.

2045052205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 147588.

The product of its (nonzero) digits is 4000, while the sum is 25.

The square root of 2045052205 is about 45222.2534268252. The cubic root of 2045052205 is about 1269.3112608777.

Adding to 2045052205 its reverse (5022505402), we get a palindrome (7067557607).

The spelling of 2045052205 in words is "two billion, forty-five million, fifty-two thousand, two hundred five".