2045530105 has 4 divisors (see below), whose sum is σ = 2454636132. Its totient is φ = 1636424080.

The previous prime is 2045530087. The next prime is 2045530111. The reversal of 2045530105 is 5010355402.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1301549929 + 743980176 = 36077^2 + 27276^2 .

It is not a de Polignac number, because 2045530105 - 2¹³ = 2045521913 is a prime.

It is a super-2 number, since 2×2045530105² = 8368386820922622050, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2045530105.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 204553006 + ... + 204553015.

It is an arithmetic number, because the mean of its divisors is an integer number (613659033).

Almost surely, 2^2045530105 is an apocalyptic number.

It is an amenable number.

2045530105 is a deficient number, since it is larger than the sum of its proper divisors (409106027).

2045530105 is an equidigital number, since it uses as much as digits as its factorization.

2045530105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 409106026.

The product of its (nonzero) digits is 3000, while the sum is 25.

The square root of 2045530105 is about 45227.5370211556. The cubic root of 2045530105 is about 1269.4101265863.

Adding to 2045530105 its reverse (5010355402), we get a palindrome (7055885507).

The spelling of 2045530105 in words is "two billion, forty-five million, five hundred thirty thousand, one hundred five".