448279144 has 16 divisors (see below), whose sum is σ = 840968100. Its totient is φ = 224020992.

The previous prime is 448279121. The next prime is 448279147. The reversal of 448279144 is 441972844.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 447830244 + 448900 = 21162^2 + 670^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 448279144.

It is not an unprimeable number, because it can be changed into a prime (448279147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2424 + ... + 30040.

Almost surely, 2^448279144 is an apocalyptic number.

It is an amenable number.

448279144 is a deficient number, since it is larger than the sum of its proper divisors (392688956).

448279144 is a wasteful number, since it uses less digits than its factorization.

448279144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29652 (or 29648 counting only the distinct ones).

The product of its digits is 258048, while the sum is 43.

The square root of 448279144 is about 21172.6036188278. The cubic root of 448279144 is about 765.3313637024.

The spelling of 448279144 in words is "four hundred forty-eight million, two hundred seventy-nine thousand, one hundred forty-four".