448297133 has 4 divisors (see below), whose sum is σ = 448362300. Its totient is φ = 448231968.

The previous prime is 448297127. The next prime is 448297147. The reversal of 448297133 is 331792844.

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 88322404 + 359974729 = 9398^2 + 18973^2 .

It is a cyclic number.

It is not a de Polignac number, because 448297133 - 2²² = 444102829 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (448297033) 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, 20858 + ... + 36491.

It is an arithmetic number, because the mean of its divisors is an integer number (112090575).

Almost surely, 2^448297133 is an apocalyptic number.

It is an amenable number.

448297133 is a deficient number, since it is larger than the sum of its proper divisors (65167).

448297133 is an equidigital number, since it uses as much as digits as its factorization.

448297133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65166.

The product of its digits is 145152, while the sum is 41.

The square root of 448297133 is about 21173.0284324184. The cubic root of 448297133 is about 765.3416008965.

The spelling of 448297133 in words is "four hundred forty-eight million, two hundred ninety-seven thousand, one hundred thirty-three".