45030042205 has 4 divisors (see below), whose sum is σ = 54036050652. Its totient is φ = 36024033760.

The previous prime is 45030042173. The next prime is 45030042223. The reversal of 45030042205 is 50224003054.

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 23875503289 + 21154538916 = 154517^2 + 145446^2 .

It is not a de Polignac number, because 45030042205 - 2⁵ = 45030042173 is a prime.

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 45030042205.

It is a congruent number.

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, 4503004216 + ... + 4503004225.

It is an arithmetic number, because the mean of its divisors is an integer number (13509012663).

Almost surely, 2^45030042205 is an apocalyptic number.

It is an amenable number.

45030042205 is a deficient number, since it is larger than the sum of its proper divisors (9006008447).

45030042205 is an equidigital number, since it uses as much as digits as its factorization.

45030042205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9006008446.

The product of its (nonzero) digits is 4800, while the sum is 25.

Adding to 45030042205 its reverse (50224003054), we get a palindrome (95254045259).

The spelling of 45030042205 in words is "forty-five billion, thirty million, forty-two thousand, two hundred five".