448143 has 4 divisors (see below), whose sum is σ = 597528. Its totient is φ = 298760.

The previous prime is 448141. The next prime is 448157. The reversal of 448143 is 341844.

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 448143 - 2¹ = 448141 is a prime.

It is an Ulam number.

It is a D-number.

448143 is a lucky number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 448143.

It is not an unprimeable number, because it can be changed into a prime (448141) 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, 74688 + ... + 74693.

It is an arithmetic number, because the mean of its divisors is an integer number (149382).

2⁴⁴⁸¹⁴³ is an apocalyptic number.

448143 is a deficient number, since it is larger than the sum of its proper divisors (149385).

448143 is a wasteful number, since it uses less digits than its factorization.

448143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149384.

The product of its digits is 1536, while the sum is 24.

The square root of 448143 is about 669.4348362612. The cubic root of 448143 is about 76.5253877888.

Adding to 448143 its reverse (341844), we get a palindrome (789987).

The spelling of 448143 in words is "four hundred forty-eight thousand, one hundred forty-three".