45480121 has 2 divisors, whose sum is σ = 45480122. Its totient is φ = 45480120.

The previous prime is 45480119. The next prime is 45480139. The reversal of 45480121 is 12108454.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 44408896 + 1071225 = 6664^2 + 1035^2 .

It is a cyclic number.

It is not a de Polignac number, because 45480121 - 2¹ = 45480119 is a prime.

Together with 45480119, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (45480191) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22740060 + 22740061.

It is an arithmetic number, because the mean of its divisors is an integer number (22740061).

Almost surely, 2^45480121 is an apocalyptic number.

It is an amenable number.

45480121 is a deficient number, since it is larger than the sum of its proper divisors (1).

45480121 is an equidigital number, since it uses as much as digits as its factorization.

45480121 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1280, while the sum is 25.

The square root of 45480121 is about 6743.8950911176. The cubic root of 45480121 is about 356.9498500225.

Adding to 45480121 its reverse (12108454), we get a palindrome (57588575).

The spelling of 45480121 in words is "forty-five million, four hundred eighty thousand, one hundred twenty-one".