453440143 has 16 divisors (see below), whose sum is σ = 518827680. Its totient is φ = 393192576.

The previous prime is 453440129. The next prime is 453440159. The reversal of 453440143 is 341044354.

It is a cyclic number.

It is not a de Polignac number, because 453440143 - 2¹⁷ = 453309071 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (453440173) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2305 + ... + 30202.

It is an arithmetic number, because the mean of its divisors is an integer number (32426730).

Almost surely, 2^453440143 is an apocalyptic number.

453440143 is a deficient number, since it is larger than the sum of its proper divisors (65387537).

453440143 is a wasteful number, since it uses less digits than its factorization.

453440143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32586.

The product of its (nonzero) digits is 11520, while the sum is 28.

The square root of 453440143 is about 21294.1340044624. The cubic root of 453440143 is about 768.2572284475.

Adding to 453440143 its reverse (341044354), we get a palindrome (794484497).

The spelling of 453440143 in words is "four hundred fifty-three million, four hundred forty thousand, one hundred forty-three".