44172143 has 2 divisors, whose sum is σ = 44172144. Its totient is φ = 44172142.

The previous prime is 44172127. The next prime is 44172173. The reversal of 44172143 is 34127144.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 44172143 - 2⁴ = 44172127 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (44172173) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22086071 + 22086072.

It is an arithmetic number, because the mean of its divisors is an integer number (22086072).

Almost surely, 2^44172143 is an apocalyptic number.

44172143 is a deficient number, since it is larger than the sum of its proper divisors (1).

44172143 is an equidigital number, since it uses as much as digits as its factorization.

44172143 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2688, while the sum is 26.

The square root of 44172143 is about 6646.2126809184. The cubic root of 44172143 is about 353.4946319640.

Adding to 44172143 its reverse (34127144), we get a palindrome (78299287).

The spelling of 44172143 in words is "forty-four million, one hundred seventy-two thousand, one hundred forty-three".