448542645 has 32 divisors (see below), whose sum is σ = 735091200. Its totient is φ = 233485824.

The previous prime is 448542643. The next prime is 448542673. The reversal of 448542645 is 546245844.

It is not a de Polignac number, because 448542645 - 2¹ = 448542643 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 448542597 and 448542606.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (448542641) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 103339 + ... + 107591.

It is an arithmetic number, because the mean of its divisors is an integer number (22971600).

Almost surely, 2^448542645 is an apocalyptic number.

It is an amenable number.

448542645 is a deficient number, since it is larger than the sum of its proper divisors (286548555).

448542645 is a wasteful number, since it uses less digits than its factorization.

448542645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4429.

The product of its digits is 614400, while the sum is 42.

The square root of 448542645 is about 21178.8253923583. The cubic root of 448542645 is about 765.4812896893.

The spelling of 448542645 in words is "four hundred forty-eight million, five hundred forty-two thousand, six hundred forty-five".