44143493 has 2 divisors, whose sum is σ = 44143494. Its totient is φ = 44143492.

The previous prime is 44143487. The next prime is 44143523. The reversal of 44143493 is 39434144.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 38464804 + 5678689 = 6202^2 + 2383^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-44143493 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (44143433) 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, 22071746 + 22071747.

It is an arithmetic number, because the mean of its divisors is an integer number (22071747).

Almost surely, 2^44143493 is an apocalyptic number.

It is an amenable number.

44143493 is a deficient number, since it is larger than the sum of its proper divisors (1).

44143493 is an equidigital number, since it uses as much as digits as its factorization.

44143493 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 20736, while the sum is 32.

The square root of 44143493 is about 6644.0569684493. The cubic root of 44143493 is about 353.4181900341.

It can be divided in two parts, 441 and 43493, that added together give a palindrome (43934).

The spelling of 44143493 in words is "forty-four million, one hundred forty-three thousand, four hundred ninety-three".