45894421 has 2 divisors, whose sum is σ = 45894422. Its totient is φ = 45894420.

The previous prime is 45894413. The next prime is 45894437. The reversal of 45894421 is 12449854.

45894421 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., 36469521 + 9424900 = 6039^2 + 3070^2 .

It is a cyclic number.

It is not a de Polignac number, because 45894421 - 2³ = 45894413 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (45894491) 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, 22947210 + 22947211.

It is an arithmetic number, because the mean of its divisors is an integer number (22947211).

Almost surely, 2^45894421 is an apocalyptic number.

It is an amenable number.

45894421 is a deficient number, since it is larger than the sum of its proper divisors (1).

45894421 is an equidigital number, since it uses as much as digits as its factorization.

45894421 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 46080, while the sum is 37.

The square root of 45894421 is about 6774.5421247491. The cubic root of 45894421 is about 358.0304505793.

The spelling of 45894421 in words is "forty-five million, eight hundred ninety-four thousand, four hundred twenty-one".