4443432145 has 4 divisors (see below), whose sum is σ = 5332118580. Its totient is φ = 3554745712.

The previous prime is 4443432143. The next prime is 4443432173. The reversal of 4443432145 is 5412343444.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 3448155841 + 995276304 = 58721^2 + 31548^2 .

It is a cyclic number.

It is not a de Polignac number, because 4443432145 - 2¹ = 4443432143 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 4443432145.

It is not an unprimeable number, because it can be changed into a prime (4443432143) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 444343210 + ... + 444343219.

It is an arithmetic number, because the mean of its divisors is an integer number (1333029645).

Almost surely, 2^4443432145 is an apocalyptic number.

It is an amenable number.

4443432145 is a deficient number, since it is larger than the sum of its proper divisors (888686435).

4443432145 is an equidigital number, since it uses as much as digits as its factorization.

4443432145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 888686434.

The product of its digits is 92160, while the sum is 34.

The square root of 4443432145 is about 66659.0739884676. The cubic root of 4443432145 is about 1644.0165461530.

Adding to 4443432145 its reverse (5412343444), we get a palindrome (9855775589).

The spelling of 4443432145 in words is "four billion, four hundred forty-three million, four hundred thirty-two thousand, one hundred forty-five".