4443855145 has 16 divisors (see below), whose sum is σ = 5370325632. Its totient is φ = 3529992960.

The previous prime is 4443855127. The next prime is 4443855181. The reversal of 4443855145 is 5415583444.

It is not a de Polignac number, because 4443855145 - 2¹¹ = 4443853097 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1263940 + ... + 1267450.

It is an arithmetic number, because the mean of its divisors is an integer number (335645352).

Almost surely, 2^4443855145 is an apocalyptic number.

It is an amenable number.

4443855145 is a deficient number, since it is larger than the sum of its proper divisors (926470487).

4443855145 is a wasteful number, since it uses less digits than its factorization.

4443855145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5232.

The product of its digits is 768000, while the sum is 43.

The square root of 4443855145 is about 66662.2467743175. The cubic root of 4443855145 is about 1644.0687128048.

The spelling of 4443855145 in words is "four billion, four hundred forty-three million, eight hundred fifty-five thousand, one hundred forty-five".