14454450457 has 2 divisors, whose sum is σ = 14454450458. Its totient is φ = 14454450456.

The previous prime is 14454450427. The next prime is 14454450511. The reversal of 14454450457 is 75405445441.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12691374336 + 1763076121 = 112656^2 + 41989^2 .

It is a cyclic number.

It is not a de Polignac number, because 14454450457 - 2¹⁹ = 14453926169 is a prime.

It is a super-2 number, since 2×14454450457² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (14454450407) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7227225228 + 7227225229.

It is an arithmetic number, because the mean of its divisors is an integer number (7227225229).

Almost surely, 2^14454450457 is an apocalyptic number.

It is an amenable number.

14454450457 is a deficient number, since it is larger than the sum of its proper divisors (1).

14454450457 is an equidigital number, since it uses as much as digits as its factorization.

14454450457 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 896000, while the sum is 43.

Adding to 14454450457 its reverse (75405445441), we get a palindrome (89859895898).

The spelling of 14454450457 in words is "fourteen billion, four hundred fifty-four million, four hundred fifty thousand, four hundred fifty-seven".