448145133 has 8 divisors (see below), whose sum is σ = 623506368. Its totient is φ = 285773664.

The previous prime is 448145063. The next prime is 448145167. The reversal of 448145133 is 331541844.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 448145133 - 2⁸ = 448144877 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 448145094 and 448145103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (448145233) 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 7 ways as a sum of consecutive naturals, for example, 3247360 + ... + 3247497.

It is an arithmetic number, because the mean of its divisors is an integer number (77938296).

Almost surely, 2^448145133 is an apocalyptic number.

It is an amenable number.

448145133 is a deficient number, since it is larger than the sum of its proper divisors (175361235).

448145133 is a wasteful number, since it uses less digits than its factorization.

448145133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6494883.

The product of its digits is 23040, while the sum is 33.

The square root of 448145133 is about 21169.4386557603. The cubic root of 448145133 is about 765.2550919979.

Adding to 448145133 its reverse (331541844), we get a palindrome (779686977).

The spelling of 448145133 in words is "four hundred forty-eight million, one hundred forty-five thousand, one hundred thirty-three".