448125449 has 4 divisors (see below), whose sum is σ = 459055380. Its totient is φ = 437195520.

The previous prime is 448125439. The next prime is 448125479. The reversal of 448125449 is 944521844.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 49843600 + 398281849 = 7060^2 + 19957^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-448125449 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (41), and also a Moran number because the ratio is a prime number: 10929889 = 448125449 / (4 + 4 + 8 + 1 + 2 + 5 + 4 + 4 + 9).

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (448125409) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5464904 + ... + 5464985.

It is an arithmetic number, because the mean of its divisors is an integer number (114763845).

Almost surely, 2^448125449 is an apocalyptic number.

It is an amenable number.

448125449 is a deficient number, since it is larger than the sum of its proper divisors (10929931).

448125449 is a wasteful number, since it uses less digits than its factorization.

448125449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10929930.

The product of its digits is 184320, while the sum is 41.

The square root of 448125449 is about 21168.9737351625. The cubic root of 448125449 is about 765.2438876649.

The spelling of 448125449 in words is "four hundred forty-eight million, one hundred twenty-five thousand, four hundred forty-nine".