45112450321 has 2 divisors, whose sum is σ = 45112450322. Its totient is φ = 45112450320.

The previous prime is 45112450307. The next prime is 45112450349. The reversal of 45112450321 is 12305421154.

It is an a-pointer prime, because the next prime (45112450349) can be obtained adding 45112450321 to its sum of digits (28).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 44210949696 + 901500625 = 210264^2 + 30025^2 .

It is a cyclic number.

It is not a de Polignac number, because 45112450321 - 2¹¹ = 45112448273 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 45112450321.

It is not a weakly prime, because it can be changed into another prime (45112450301) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22556225160 + 22556225161.

It is an arithmetic number, because the mean of its divisors is an integer number (22556225161).

Almost surely, 2^45112450321 is an apocalyptic number.

It is an amenable number.

45112450321 is a deficient number, since it is larger than the sum of its proper divisors (1).

45112450321 is an equidigital number, since it uses as much as digits as its factorization.

45112450321 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4800, while the sum is 28.

Adding to 45112450321 its reverse (12305421154), we get a palindrome (57417871475).

The spelling of 45112450321 in words is "forty-five billion, one hundred twelve million, four hundred fifty thousand, three hundred twenty-one".