449223045 has 48 divisors (see below), whose sum is σ = 769219200. Its totient is φ = 223814656.

The previous prime is 449223043. The next prime is 449223059. The reversal of 449223045 is 540322944.

It is not a de Polignac number, because 449223045 - 2¹ = 449223043 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 449222997 and 449223015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (449223041) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 749656 + ... + 750254.

It is an arithmetic number, because the mean of its divisors is an integer number (16025400).

Almost surely, 2^449223045 is an apocalyptic number.

It is an amenable number.

449223045 is a deficient number, since it is larger than the sum of its proper divisors (319996155).

449223045 is a wasteful number, since it uses less digits than its factorization.

449223045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 814 (or 797 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 33.

The square root of 449223045 is about 21194.8825191365. The cubic root of 449223045 is about 765.8681502209.

Adding to 449223045 its reverse (540322944), we get a palindrome (989545989).

The spelling of 449223045 in words is "four hundred forty-nine million, two hundred twenty-three thousand, forty-five".