457143 has 4 divisors (see below), whose sum is σ = 609528. Its totient is φ = 304760.

The previous prime is 457139. The next prime is 457151. The reversal of 457143 is 341754.

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 457143 - 2² = 457139 is a prime.

It is a D-number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (457153) 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, 76188 + ... + 76193.

It is an arithmetic number, because the mean of its divisors is an integer number (152382).

2⁴⁵⁷¹⁴³ is an apocalyptic number.

457143 is a deficient number, since it is larger than the sum of its proper divisors (152385).

457143 is a wasteful number, since it uses less digits than its factorization.

457143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 152384.

The product of its digits is 1680, while the sum is 24.

The square root of 457143 is about 676.1235094271. The cubic root of 457143 is about 77.0342794466.

Adding to 457143 its reverse (341754), we get a palindrome (798897).

The spelling of 457143 in words is "four hundred fifty-seven thousand, one hundred forty-three".