448691145 has 16 divisors (see below), whose sum is σ = 820464000. Its totient is φ = 205115904.

The previous prime is 448691143. The next prime is 448691171. The reversal of 448691145 is 541196844.

It is not a de Polignac number, because 448691145 - 2¹ = 448691143 is a prime.

It is a super-2 number, since 2×448691145² = 402647487202822050, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 448691097 and 448691106.

It is not an unprimeable number, because it can be changed into a prime (448691143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2136520 + ... + 2136729.

It is an arithmetic number, because the mean of its divisors is an integer number (51279000).

Almost surely, 2^448691145 is an apocalyptic number.

It is an amenable number.

448691145 is a deficient number, since it is larger than the sum of its proper divisors (371772855).

448691145 is a wasteful number, since it uses less digits than its factorization.

448691145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4273264.

The product of its digits is 138240, while the sum is 42.

The square root of 448691145 is about 21182.3309623847. The cubic root of 448691145 is about 765.5657568931.

The spelling of 448691145 in words is "four hundred forty-eight million, six hundred ninety-one thousand, one hundred forty-five".