44134643145 has 16 divisors (see below), whose sum is σ = 74332031040. Its totient is φ = 22299609024.

The previous prime is 44134643129. The next prime is 44134643197. The reversal of 44134643145 is 54134643144.

It is not a de Polignac number, because 44134643145 - 2⁴ = 44134643129 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 77428914 + ... + 77429483.

It is an arithmetic number, because the mean of its divisors is an integer number (4645751940).

Almost surely, 2^44134643145 is an apocalyptic number.

It is an amenable number.

44134643145 is a deficient number, since it is larger than the sum of its proper divisors (30197387895).

44134643145 is a wasteful number, since it uses less digits than its factorization.

44134643145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 154858424.

The product of its digits is 276480, while the sum is 39.

Subtracting 44134643145 from its reverse (54134643144), we obtain a palindrome (9999999999).

The spelling of 44134643145 in words is "forty-four billion, one hundred thirty-four million, six hundred forty-three thousand, one hundred forty-five".