449475445 has 8 divisors (see below), whose sum is σ = 553948344. Its totient is φ = 349861824.

The previous prime is 449475421. The next prime is 449475449. The reversal of 449475445 is 544574944.

It can be written as a sum of positive squares in 4 ways, for example, as 53027524 + 396447921 = 7282^2 + 19911^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 449475445 - 2⁷ = 449475317 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 449475395 and 449475404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (449475449) 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, 1214614 + ... + 1214983.

It is an arithmetic number, because the mean of its divisors is an integer number (69243543).

Almost surely, 2^449475445 is an apocalyptic number.

It is an amenable number.

449475445 is a deficient number, since it is larger than the sum of its proper divisors (104472899).

449475445 is a wasteful number, since it uses less digits than its factorization.

449475445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2429639.

The product of its digits is 1612800, while the sum is 46.

The square root of 449475445 is about 21200.8359504997. The cubic root of 449475445 is about 766.0115599971.

The spelling of 449475445 in words is "four hundred forty-nine million, four hundred seventy-five thousand, four hundred forty-five".