344444143 has 4 divisors (see below), whose sum is σ = 344967480. Its totient is φ = 343920808.

The previous prime is 344444129. The next prime is 344444161. The reversal of 344444143 is 341444443.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-344444143 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (344444173) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 260680 + ... + 261997.

It is an arithmetic number, because the mean of its divisors is an integer number (86241870).

Almost surely, 2^344444143 is an apocalyptic number.

344444143 is a deficient number, since it is larger than the sum of its proper divisors (523337).

344444143 is an equidigital number, since it uses as much as digits as its factorization.

344444143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 523336.

The product of its digits is 36864, while the sum is 31.

The square root of 344444143 is about 18559.2064216119. The cubic root of 344444143 is about 700.9810346632.

Adding to 344444143 its reverse (341444443), we get a palindrome (685888586).

The spelling of 344444143 in words is "three hundred forty-four million, four hundred forty-four thousand, one hundred forty-three".