450464143 has 2 divisors, whose sum is σ = 450464144. Its totient is φ = 450464142.

The previous prime is 450464137. The next prime is 450464167. The reversal of 450464143 is 341464054.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 450464143 - 2⁹ = 450463631 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (450468143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 225232071 + 225232072.

It is an arithmetic number, because the mean of its divisors is an integer number (225232072).

Almost surely, 2^450464143 is an apocalyptic number.

450464143 is a deficient number, since it is larger than the sum of its proper divisors (1).

450464143 is an equidigital number, since it uses as much as digits as its factorization.

450464143 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 23040, while the sum is 31.

The square root of 450464143 is about 21224.1405715284. The cubic root of 450464143 is about 766.5728064259.

The spelling of 450464143 in words is "four hundred fifty million, four hundred sixty-four thousand, one hundred forty-three".