448992145 has 32 divisors (see below), whose sum is σ = 635040000. Its totient is φ = 304593408.

The previous prime is 448992133. The next prime is 448992149. The reversal of 448992145 is 541299844.

It is not a de Polignac number, because 448992145 - 2⁵ = 448992113 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 448992095 and 448992104.

It is not an unprimeable number, because it can be changed into a prime (448992149) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 165006 + ... + 167704.

It is an arithmetic number, because the mean of its divisors is an integer number (19845000).

Almost surely, 2^448992145 is an apocalyptic number.

It is an amenable number.

448992145 is a deficient number, since it is larger than the sum of its proper divisors (186047855).

448992145 is an equidigital number, since it uses as much as digits as its factorization.

448992145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2822 (or 2808 counting only the distinct ones).

The product of its digits is 414720, while the sum is 46.

The square root of 448992145 is about 21189.4347494217. The cubic root of 448992145 is about 765.7369093560.

The spelling of 448992145 in words is "four hundred forty-eight million, nine hundred ninety-two thousand, one hundred forty-five".