448273143 has 16 divisors (see below), whose sum is σ = 664434400. Its totient is φ = 298702080.

The previous prime is 448273129. The next prime is 448273211. The reversal of 448273143 is 341372844.

448273143 is a `hidden beast` number, since 448 + 2 + 73 + 143 = 666.

It is not a de Polignac number, because 448273143 - 2¹² = 448269047 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 448273098 and 448273107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (448271143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 106503 + ... + 110631.

It is an arithmetic number, because the mean of its divisors is an integer number (41527150).

Almost surely, 2^448273143 is an apocalyptic number.

448273143 is a deficient number, since it is larger than the sum of its proper divisors (216161257).

448273143 is a wasteful number, since it uses less digits than its factorization.

448273143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8159 (or 8153 counting only the distinct ones).

The product of its digits is 64512, while the sum is 36.

The square root of 448273143 is about 21172.4619021974. The cubic root of 448273143 is about 765.3279485878.

The spelling of 448273143 in words is "four hundred forty-eight million, two hundred seventy-three thousand, one hundred forty-three".