448889158 has 4 divisors (see below), whose sum is σ = 673333740. Its totient is φ = 224444578.

The previous prime is 448889113. The next prime is 448889159. The reversal of 448889158 is 851988844.

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

It is a junction number, because it is equal to n+sod(n) for n = 448889099 and 448889108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (448889159) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112222288 + ... + 112222291.

It is an arithmetic number, because the mean of its divisors is an integer number (168333435).

Almost surely, 2^448889158 is an apocalyptic number.

448889158 is a deficient number, since it is larger than the sum of its proper divisors (224444582).

448889158 is a wasteful number, since it uses less digits than its factorization.

448889158 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 224444581.

The product of its digits is 2949120, while the sum is 55.

The square root of 448889158 is about 21187.0044602818. The cubic root of 448889158 is about 765.6783582371.

The spelling of 448889158 in words is "four hundred forty-eight million, eight hundred eighty-nine thousand, one hundred fifty-eight".