452660143 has 4 divisors (see below), whose sum is σ = 487480168. Its totient is φ = 417840120.

The previous prime is 452660129. The next prime is 452660147. The reversal of 452660143 is 341066254.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-452660143 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 (452660147) 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, 17409993 + ... + 17410018.

It is an arithmetic number, because the mean of its divisors is an integer number (121870042).

Almost surely, 2^452660143 is an apocalyptic number.

452660143 is a deficient number, since it is larger than the sum of its proper divisors (34820025).

452660143 is a wasteful number, since it uses less digits than its factorization.

452660143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34820024.

The product of its (nonzero) digits is 17280, while the sum is 31.

The square root of 452660143 is about 21275.8112183766. The cubic root of 452660143 is about 767.8164612905.

The spelling of 452660143 in words is "four hundred fifty-two million, six hundred sixty thousand, one hundred forty-three".