450856313143 has 4 divisors (see below), whose sum is σ = 450889534080. Its totient is φ = 450823092208.

The previous prime is 450856313137. The next prime is 450856313191. The reversal of 450856313143 is 341313658054.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 450856313143 - 2²⁹ = 450319442231 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 450856313143.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (450856713143) 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 in 3 ways as a sum of consecutive naturals, for example, 16590103 + ... + 16617256.

It is an arithmetic number, because the mean of its divisors is an integer number (112722383520).

Almost surely, 2^450856313143 is an apocalyptic number.

450856313143 is a deficient number, since it is larger than the sum of its proper divisors (33220937).

450856313143 is a wasteful number, since it uses less digits than its factorization.

450856313143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33220936.

The product of its (nonzero) digits is 518400, while the sum is 43.

The spelling of 450856313143 in words is "four hundred fifty billion, eight hundred fifty-six million, three hundred thirteen thousand, one hundred forty-three".