4144457 has 2 divisors, whose sum is σ = 4144458. Its totient is φ = 4144456.

The previous prime is 4144423. The next prime is 4144471. The reversal of 4144457 is 7544414.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3136441 + 1008016 = 1771^2 + 1004^2 .

It is a cyclic number.

It is not a de Polignac number, because 4144457 - 2⁸ = 4144201 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (4144487) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2072228 + 2072229.

It is an arithmetic number, because the mean of its divisors is an integer number (2072229).

Almost surely, 2^4144457 is an apocalyptic number.

It is an amenable number.

4144457 is a deficient number, since it is larger than the sum of its proper divisors (1).

4144457 is an equidigital number, since it uses as much as digits as its factorization.

4144457 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8960, while the sum is 29.

The square root of 4144457 is about 2035.7939483160. The cubic root of 4144457 is about 160.6284786299.

The spelling of 4144457 in words is "four million, one hundred forty-four thousand, four hundred fifty-seven".