42244143 has 8 divisors (see below), whose sum is σ = 56377728. Its totient is φ = 28136664.

The previous prime is 42244141. The next prime is 42244171. The reversal of 42244143 is 34144224.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 42244143 - 2¹ = 42244141 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42244141) 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 in 7 ways as a sum of consecutive naturals, for example, 2371 + ... + 9492.

It is an arithmetic number, because the mean of its divisors is an integer number (7047216).

Almost surely, 2^42244143 is an apocalyptic number.

42244143 is a deficient number, since it is larger than the sum of its proper divisors (14133585).

42244143 is a wasteful number, since it uses less digits than its factorization.

42244143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13053.

The product of its digits is 3072, while the sum is 24.

The square root of 42244143 is about 6499.5494459232. The cubic root of 42244143 is about 348.2748934467.

Adding to 42244143 its reverse (34144224), we get a palindrome (76388367).

The spelling of 42244143 in words is "forty-two million, two hundred forty-four thousand, one hundred forty-three".