4434440145 has 16 divisors (see below), whose sum is σ = 7260107712. Its totient is φ = 2310033600.

The previous prime is 4434440117. The next prime is 4434440147. The reversal of 4434440145 is 5410444344.

It is not a de Polignac number, because 4434440145 - 2¹¹ = 4434438097 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4434440147) 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 15 ways as a sum of consecutive naturals, for example, 3436906 + ... + 3438195.

It is an arithmetic number, because the mean of its divisors is an integer number (453756732).

Almost surely, 2^4434440145 is an apocalyptic number.

It is an amenable number.

4434440145 is a deficient number, since it is larger than the sum of its proper divisors (2825667567).

4434440145 is a wasteful number, since it uses less digits than its factorization.

4434440145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6875152.

The product of its (nonzero) digits is 61440, while the sum is 33.

The square root of 4434440145 is about 66591.5921494598. The cubic root of 4434440145 is about 1642.9068198985.

Adding to 4434440145 its reverse (5410444344), we get a palindrome (9844884489).

The spelling of 4434440145 in words is "four billion, four hundred thirty-four million, four hundred forty thousand, one hundred forty-five".