45540401 has 2 divisors, whose sum is σ = 45540402. Its totient is φ = 45540400.

The previous prime is 45540379. The next prime is 45540413. The reversal of 45540401 is 10404554.

45540401 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., 27050401 + 18490000 = 5201^2 + 4300^2 .

It is a cyclic number.

It is not a de Polignac number, because 45540401 - 2⁶ = 45540337 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (45540461) 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, 22770200 + 22770201.

It is an arithmetic number, because the mean of its divisors is an integer number (22770201).

Almost surely, 2^45540401 is an apocalyptic number.

It is an amenable number.

45540401 is a deficient number, since it is larger than the sum of its proper divisors (1).

45540401 is an equidigital number, since it uses as much as digits as its factorization.

45540401 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1600, while the sum is 23.

The square root of 45540401 is about 6748.3628384965. The cubic root of 45540401 is about 357.1074825382.

Adding to 45540401 its reverse (10404554), we get a palindrome (55944955).

The spelling of 45540401 in words is "forty-five million, five hundred forty thousand, four hundred one".