44045143 has 2 divisors, whose sum is σ = 44045144. Its totient is φ = 44045142.

The previous prime is 44045123. The next prime is 44045149. The reversal of 44045143 is 34154044.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-44045143 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (44045149) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22022571 + 22022572.

It is an arithmetic number, because the mean of its divisors is an integer number (22022572).

Almost surely, 2^44045143 is an apocalyptic number.

44045143 is a deficient number, since it is larger than the sum of its proper divisors (1).

44045143 is an equidigital number, since it uses as much as digits as its factorization.

44045143 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3840, while the sum is 25.

The square root of 44045143 is about 6636.6514900212. The cubic root of 44045143 is about 353.1555275042.

Adding to 44045143 its reverse (34154044), we get a palindrome (78199187).

The spelling of 44045143 in words is "forty-four million, forty-five thousand, one hundred forty-three".