45052404221 has 16 divisors (see below), whose sum is σ = 50034024000. Its totient is φ = 40224624000.

The previous prime is 45052404169. The next prime is 45052404223. The reversal of 45052404221 is 12240425054.

It is a de Polignac number, because none of the positive numbers 2^k-45052404221 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45052404223) 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, 8555 + ... + 300296.

It is an arithmetic number, because the mean of its divisors is an integer number (3127126500).

Almost surely, 2^45052404221 is an apocalyptic number.

It is an amenable number.

45052404221 is a deficient number, since it is larger than the sum of its proper divisors (4981619779).

45052404221 is a wasteful number, since it uses less digits than its factorization.

45052404221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 309100.

The product of its (nonzero) digits is 12800, while the sum is 29.

Adding to 45052404221 its reverse (12240425054), we get a palindrome (57292829275).

The spelling of 45052404221 in words is "forty-five billion, fifty-two million, four hundred four thousand, two hundred twenty-one".