45524203121 has 2 divisors, whose sum is σ = 45524203122. Its totient is φ = 45524203120.

The previous prime is 45524203069. The next prime is 45524203141. The reversal of 45524203121 is 12130242554.

45524203121 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 42905322496 + 2618880625 = 207136^2 + 51175^2 .

It is a cyclic number.

It is not a de Polignac number, because 45524203121 - 2¹⁴ = 45524186737 is a prime.

It is a super-2 number, since 2×45524203121² (a number of 22 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (45524203141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22762101560 + 22762101561.

It is an arithmetic number, because the mean of its divisors is an integer number (22762101561).

Almost surely, 2^45524203121 is an apocalyptic number.

It is an amenable number.

45524203121 is a deficient number, since it is larger than the sum of its proper divisors (1).

45524203121 is an equidigital number, since it uses as much as digits as its factorization.

45524203121 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9600, while the sum is 29.

Adding to 45524203121 its reverse (12130242554), we get a palindrome (57654445675).

The spelling of 45524203121 in words is "forty-five billion, five hundred twenty-four million, two hundred three thousand, one hundred twenty-one".