44142293 has 12 divisors (see below), whose sum is σ = 48147300. Its totient is φ = 40450176.

The previous prime is 44142289. The next prime is 44142299. The reversal of 44142293 is 39224144.

44142293 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 6 ways, for example, as 27804529 + 16337764 = 5273^2 + 4042^2 .

It is not a de Polignac number, because 44142293 - 2² = 44142289 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 (44142299) 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 in 11 ways as a sum of consecutive naturals, for example, 24305 + ... + 26057.

It is an arithmetic number, because the mean of its divisors is an integer number (4012275).

Almost surely, 2^44142293 is an apocalyptic number.

It is an amenable number.

44142293 is a deficient number, since it is larger than the sum of its proper divisors (4005007).

44142293 is a wasteful number, since it uses less digits than its factorization.

44142293 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1928 (or 1915 counting only the distinct ones).

The product of its digits is 6912, while the sum is 29.

The square root of 44142293 is about 6643.9666615660. The cubic root of 44142293 is about 353.4149875563.

The spelling of 44142293 in words is "forty-four million, one hundred forty-two thousand, two hundred ninety-three".