45414453121 has 2 divisors, whose sum is σ = 45414453122. Its totient is φ = 45414453120.

The previous prime is 45414453109. The next prime is 45414453169. The reversal of 45414453121 is 12135441454.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 44971140096 + 443313025 = 212064^2 + 21055^2 .

It is a cyclic number.

It is not a de Polignac number, because 45414453121 - 2²⁷ = 45280235393 is a prime.

It is not a weakly prime, because it can be changed into another prime (45414453101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22707226560 + 22707226561.

It is an arithmetic number, because the mean of its divisors is an integer number (22707226561).

Almost surely, 2^45414453121 is an apocalyptic number.

It is an amenable number.

45414453121 is a deficient number, since it is larger than the sum of its proper divisors (1).

45414453121 is an equidigital number, since it uses as much as digits as its factorization.

45414453121 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 38400, while the sum is 34.

Adding to 45414453121 its reverse (12135441454), we get a palindrome (57549894575).

The spelling of 45414453121 in words is "forty-five billion, four hundred fourteen million, four hundred fifty-three thousand, one hundred twenty-one".