454668143 has 2 divisors, whose sum is σ = 454668144. Its totient is φ = 454668142.

The previous prime is 454668133. The next prime is 454668161. The reversal of 454668143 is 341866454.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 454668143 - 2⁴ = 454668127 is a prime.

It is a plaindrome in base 14.

It is a self number, because there is not a number n which added to its sum of digits gives 454668143.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (454668133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 227334071 + 227334072.

It is an arithmetic number, because the mean of its divisors is an integer number (227334072).

Almost surely, 2^454668143 is an apocalyptic number.

454668143 is a deficient number, since it is larger than the sum of its proper divisors (1).

454668143 is an equidigital number, since it uses as much as digits as its factorization.

454668143 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 276480, while the sum is 41.

The square root of 454668143 is about 21322.9487407347. The cubic root of 454668143 is about 768.9501310045.

The spelling of 454668143 in words is "four hundred fifty-four million, six hundred sixty-eight thousand, one hundred forty-three".