448317845 has 4 divisors (see below), whose sum is σ = 537981420. Its totient is φ = 358654272.

The previous prime is 448317809. The next prime is 448317847. The reversal of 448317845 is 548713844.

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

It can be written as a sum of positive squares in 2 ways, for example, as 220730449 + 227587396 = 14857^2 + 15086^2 .

It is a cyclic number.

It is not a de Polignac number, because 448317845 - 2¹⁴ = 448301461 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 448317796 and 448317805.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (448317847) 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, 44831780 + ... + 44831789.

It is an arithmetic number, because the mean of its divisors is an integer number (134495355).

Almost surely, 2^448317845 is an apocalyptic number.

It is an amenable number.

448317845 is a deficient number, since it is larger than the sum of its proper divisors (89663575).

448317845 is an equidigital number, since it uses as much as digits as its factorization.

448317845 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89663574.

The product of its digits is 430080, while the sum is 44.

The square root of 448317845 is about 21173.5175396059. The cubic root of 448317845 is about 765.3533873583.

The spelling of 448317845 in words is "four hundred forty-eight million, three hundred seventeen thousand, eight hundred forty-five".