4444132145 has 8 divisors (see below), whose sum is σ = 5333340456. Its totient is φ = 3555051136.

The previous prime is 4444132127. The next prime is 4444132153. The reversal of 4444132145 is 5412314444.

It can be written as a sum of positive squares in 4 ways, for example, as 341473441 + 4102658704 = 18479^2 + 64052^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 4444132145 - 2⁶ = 4444132081 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 81989 + ... + 124941.

It is an arithmetic number, because the mean of its divisors is an integer number (666667557).

Almost surely, 2^4444132145 is an apocalyptic number.

It is an amenable number.

4444132145 is a deficient number, since it is larger than the sum of its proper divisors (889208311).

4444132145 is a wasteful number, since it uses less digits than its factorization.

4444132145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63651.

The product of its digits is 30720, while the sum is 32.

The square root of 4444132145 is about 66664.3243796860. The cubic root of 4444132145 is about 1644.1028721519.

Adding to 4444132145 its reverse (5412314444), we get a palindrome (9856446589).

The spelling of 4444132145 in words is "four billion, four hundred forty-four million, one hundred thirty-two thousand, one hundred forty-five".