14440457 has 2 divisors, whose sum is σ = 14440458. Its totient is φ = 14440456.

The previous prime is 14440409. The next prime is 14440493. The reversal of 14440457 is 75404441.

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., 14318656 + 121801 = 3784^2 + 349^2 .

It is a cyclic number.

It is not a de Polignac number, because 14440457 - 2⁸ = 14440201 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (14440357) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7220228 + 7220229.

It is an arithmetic number, because the mean of its divisors is an integer number (7220229).

Almost surely, 2^14440457 is an apocalyptic number.

It is an amenable number.

14440457 is a deficient number, since it is larger than the sum of its proper divisors (1).

14440457 is an equidigital number, since it uses as much as digits as its factorization.

14440457 is an evil number, because the sum of its binary digits is even.

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

The square root of 14440457 is about 3800.0601311032. The cubic root of 14440457 is about 243.5157071948.

Adding to 14440457 its reverse (75404441), we get a palindrome (89844898).

The spelling of 14440457 in words is "fourteen million, four hundred forty thousand, four hundred fifty-seven".