454691143 has 2 divisors, whose sum is σ = 454691144. Its totient is φ = 454691142.

The previous prime is 454691123. The next prime is 454691161. The reversal of 454691143 is 341196454.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 454691143 - 2⁹ = 454690631 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (454691123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 227345571 + 227345572.

It is an arithmetic number, because the mean of its divisors is an integer number (227345572).

Almost surely, 2^454691143 is an apocalyptic number.

454691143 is a deficient number, since it is larger than the sum of its proper divisors (1).

454691143 is an equidigital number, since it uses as much as digits as its factorization.

454691143 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 51840, while the sum is 37.

The square root of 454691143 is about 21323.4880589457. The cubic root of 454691143 is about 768.9630969116.

The spelling of 454691143 in words is "four hundred fifty-four million, six hundred ninety-one thousand, one hundred forty-three".