4145449 has 12 divisors (see below), whose sum is σ = 5261328. Its totient is φ = 3229800.

The previous prime is 4145423. The next prime is 4145459. The reversal of 4145449 is 9445414.

4145449 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 4145449 - 2¹¹ = 4143401 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 4145449.

It is not an unprimeable number, because it can be changed into a prime (4145419) 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, 3307 + ... + 4384.

It is an arithmetic number, because the mean of its divisors is an integer number (438444).

Almost surely, 2^4145449 is an apocalyptic number.

4145449 is a gapful number since it is divisible by the number (49) formed by its first and last digit.

It is an amenable number.

4145449 is a deficient number, since it is larger than the sum of its proper divisors (1115879).

4145449 is a wasteful number, since it uses less digits than its factorization.

4145449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7716 (or 7709 counting only the distinct ones).

The product of its digits is 11520, while the sum is 31.

The square root of 4145449 is about 2036.0375733272. The cubic root of 4145449 is about 160.6412933958.

The spelling of 4145449 in words is "four million, one hundred forty-five thousand, four hundred forty-nine".