456143 has 4 divisors (see below), whose sum is σ = 457800. Its totient is φ = 454488.

The previous prime is 456119. The next prime is 456149. The reversal of 456143 is 341654.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 341654 = 2 ⋅170827.

It is a cyclic number.

It is not a de Polignac number, because 456143 - 2¹⁴ = 439759 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (456149) 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, 305 + ... + 1002.

It is an arithmetic number, because the mean of its divisors is an integer number (114450).

2⁴⁵⁶¹⁴³ is an apocalyptic number.

456143 is a deficient number, since it is larger than the sum of its proper divisors (1657).

456143 is a wasteful number, since it uses less digits than its factorization.

456143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1656.

The product of its digits is 1440, while the sum is 23.

The square root of 456143 is about 675.3835947075. The cubic root of 456143 is about 76.9780676276.

Adding to 456143 its reverse (341654), we get a palindrome (797797).

The spelling of 456143 in words is "four hundred fifty-six thousand, one hundred forty-three".