450200143 has 4 divisors (see below), whose sum is σ = 450358128. Its totient is φ = 450042160.

The previous prime is 450200129. The next prime is 450200159. The reversal of 450200143 is 341002054.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 341002054 = 2 ⋅170501027.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-450200143 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 450200143.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (450200123) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 74638 + ... + 80443.

It is an arithmetic number, because the mean of its divisors is an integer number (112589532).

Almost surely, 2^450200143 is an apocalyptic number.

450200143 is a deficient number, since it is larger than the sum of its proper divisors (157985).

450200143 is a wasteful number, since it uses less digits than its factorization.

450200143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 157984.

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

The square root of 450200143 is about 21217.9203269312. The cubic root of 450200143 is about 766.4230240501.

Adding to 450200143 its reverse (341002054), we get a palindrome (791202197).

The spelling of 450200143 in words is "four hundred fifty million, two hundred thousand, one hundred forty-three".