448645539 has 4 divisors (see below), whose sum is σ = 598194056. Its totient is φ = 299097024.

The previous prime is 448645523. The next prime is 448645541. The reversal of 448645539 is 935546844.

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

It is not a de Polignac number, because 448645539 - 2⁴ = 448645523 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (448645139) 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 3 ways as a sum of consecutive naturals, for example, 74774254 + ... + 74774259.

It is an arithmetic number, because the mean of its divisors is an integer number (149548514).

Almost surely, 2^448645539 is an apocalyptic number.

448645539 is a deficient number, since it is larger than the sum of its proper divisors (149548517).

448645539 is a wasteful number, since it uses less digits than its factorization.

448645539 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149548516.

The product of its digits is 2073600, while the sum is 48.

The square root of 448645539 is about 21181.2544246086. The cubic root of 448645539 is about 765.5398180595.

It can be divided in two parts, 44864 and 5539, that added together give a triangular number (50403 = T₃₁₇).

The spelling of 448645539 in words is "four hundred forty-eight million, six hundred forty-five thousand, five hundred thirty-nine".