4454145 has 12 divisors (see below), whose sum is σ = 7720596. Its totient is φ = 2375520.

The previous prime is 4454141. The next prime is 4454147. The reversal of 4454145 is 5414544.

It can be written as a sum of positive squares in 2 ways, for example, as 859329 + 3594816 = 927^2 + 1896^2 .

It is not a de Polignac number, because 4454145 - 2² = 4454141 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4454141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 49446 + ... + 49535.

It is an arithmetic number, because the mean of its divisors is an integer number (643383).

Almost surely, 2^4454145 is an apocalyptic number.

4454145 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

4454145 is a deficient number, since it is larger than the sum of its proper divisors (3266451).

4454145 is a wasteful number, since it uses less digits than its factorization.

4454145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98992 (or 98989 counting only the distinct ones).

The product of its digits is 6400, while the sum is 27.

The square root of 4454145 is about 2110.4845415212. The cubic root of 4454145 is about 164.5336695031.

Adding to 4454145 its reverse (5414544), we get a palindrome (9868689).

The spelling of 4454145 in words is "four million, four hundred fifty-four thousand, one hundred forty-five".