45541121 has 2 divisors, whose sum is σ = 45541122. Its totient is φ = 45541120.

The previous prime is 45541109. The next prime is 45541159. The reversal of 45541121 is 12114554.

45541121 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 41460721 + 4080400 = 6439^2 + 2020^2 .

It is a cyclic number.

It is not a de Polignac number, because 45541121 - 2¹⁰ = 45540097 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (45501121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22770560 + 22770561.

It is an arithmetic number, because the mean of its divisors is an integer number (22770561).

Almost surely, 2^45541121 is an apocalyptic number.

It is an amenable number.

45541121 is a deficient number, since it is larger than the sum of its proper divisors (1).

45541121 is an equidigital number, since it uses as much as digits as its factorization.

45541121 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 800, while the sum is 23.

The square root of 45541121 is about 6748.4161845577. The cubic root of 45541121 is about 357.1093645011.

Adding to 45541121 its reverse (12114554), we get a palindrome (57655675).

The spelling of 45541121 in words is "forty-five million, five hundred forty-one thousand, one hundred twenty-one".