44143391 has 2 divisors, whose sum is σ = 44143392. Its totient is φ = 44143390.

The previous prime is 44143367. The next prime is 44143409. The reversal of 44143391 is 19334144.

44143391 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 44143391 - 2¹⁰ = 44142367 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (44143361) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22071695 + 22071696.

It is an arithmetic number, because the mean of its divisors is an integer number (22071696).

Almost surely, 2^44143391 is an apocalyptic number.

44143391 is a deficient number, since it is larger than the sum of its proper divisors (1).

44143391 is an equidigital number, since it uses as much as digits as its factorization.

44143391 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5184, while the sum is 29.

The square root of 44143391 is about 6644.0492924120. The cubic root of 44143391 is about 353.4179178257.

The spelling of 44143391 in words is "forty-four million, one hundred forty-three thousand, three hundred ninety-one".