450002143 has 2 divisors, whose sum is σ = 450002144. Its totient is φ = 450002142.

The previous prime is 450002129. The next prime is 450002191. The reversal of 450002143 is 341200054.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 450002143 - 2²⁵ = 416447711 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 450002143.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (450000143) 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, 225001071 + 225001072.

It is an arithmetic number, because the mean of its divisors is an integer number (225001072).

Almost surely, 2^450002143 is an apocalyptic number.

450002143 is a deficient number, since it is larger than the sum of its proper divisors (1).

450002143 is an equidigital number, since it uses as much as digits as its factorization.

450002143 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 450002143 is about 21213.2539465307. The cubic root of 450002143 is about 766.3106488369.

Adding to 450002143 its reverse (341200054), we get a palindrome (791202197).

The spelling of 450002143 in words is "four hundred fifty million, two thousand, one hundred forty-three".