2045200505 has 8 divisors (see below), whose sum is σ = 2457109512. Its totient is φ = 1634247808.

The previous prime is 2045200501. The next prime is 2045200561. The reversal of 2045200505 is 5050025402.

It can be written as a sum of positive squares in 4 ways, for example, as 193877776 + 1851322729 = 13924^2 + 43027^2 .

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 2045200505 - 2² = 2045200501 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2045200501) 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, 234362 + ... + 242931.

It is an arithmetic number, because the mean of its divisors is an integer number (307138689).

Almost surely, 2^2045200505 is an apocalyptic number.

It is an amenable number.

2045200505 is a deficient number, since it is larger than the sum of its proper divisors (411909007).

2045200505 is an equidigital number, since it uses as much as digits as its factorization.

2045200505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 478155.

The product of its (nonzero) digits is 2000, while the sum is 23.

The square root of 2045200505 is about 45223.8930765585. The cubic root of 2045200505 is about 1269.3419421336.

Adding to 2045200505 its reverse (5050025402), we get a palindrome (7095225907).

The spelling of 2045200505 in words is "two billion, forty-five million, two hundred thousand, five hundred five".