45305322121 has 2 divisors, whose sum is σ = 45305322122. Its totient is φ = 45305322120.

The previous prime is 45305322089. The next prime is 45305322131. The reversal of 45305322121 is 12122350354.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 23236734096 + 22068588025 = 152436^2 + 148555^2 .

It is a cyclic number.

It is not a de Polignac number, because 45305322121 - 2⁵ = 45305322089 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 45305322121.

It is not a weakly prime, because it can be changed into another prime (45305322131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22652661060 + 22652661061.

It is an arithmetic number, because the mean of its divisors is an integer number (22652661061).

Almost surely, 2^45305322121 is an apocalyptic number.

It is an amenable number.

45305322121 is a deficient number, since it is larger than the sum of its proper divisors (1).

45305322121 is an equidigital number, since it uses as much as digits as its factorization.

45305322121 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7200, while the sum is 28.

Adding to 45305322121 its reverse (12122350354), we get a palindrome (57427672475).

The spelling of 45305322121 in words is "forty-five billion, three hundred five million, three hundred twenty-two thousand, one hundred twenty-one".