14457581 has 2 divisors, whose sum is σ = 14457582. Its totient is φ = 14457580.

The previous prime is 14457571. The next prime is 14457607. The reversal of 14457581 is 18575441.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8649481 + 5808100 = 2941^2 + 2410^2 .

It is a cyclic number.

It is not a de Polignac number, because 14457581 - 2¹⁸ = 14195437 is a prime.

It is a super-2 number, since 2×14457581² = 418043296743122, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (14457511) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7228790 + 7228791.

It is an arithmetic number, because the mean of its divisors is an integer number (7228791).

Almost surely, 2^14457581 is an apocalyptic number.

It is an amenable number.

14457581 is a deficient number, since it is larger than the sum of its proper divisors (1).

14457581 is an equidigital number, since it uses as much as digits as its factorization.

14457581 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 22400, while the sum is 35.

The square root of 14457581 is about 3802.3125857825. The cubic root of 14457581 is about 243.6119256584.

The spelling of 14457581 in words is "fourteen million, four hundred fifty-seven thousand, five hundred eighty-one".