44243142 has 8 divisors (see below), whose sum is σ = 88486296. Its totient is φ = 14747712.

The previous prime is 44243131. The next prime is 44243149. The reversal of 44243142 is 24134244.

It is a happy number.

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

44243142 is an admirable number.

It is a super-2 number, since 2×44243142² = 3914911228064328, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44243149) 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 3 ways as a sum of consecutive naturals, for example, 3686923 + ... + 3686934.

It is an arithmetic number, because the mean of its divisors is an integer number (11060787).

Almost surely, 2^44243142 is an apocalyptic number.

44243142 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

44243142 is a wasteful number, since it uses less digits than its factorization.

44243142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7373862.

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

The square root of 44243142 is about 6651.5518490049. The cubic root of 44243142 is about 353.6839241960.

Adding to 44243142 its reverse (24134244), we get a palindrome (68377386).

The spelling of 44243142 in words is "forty-four million, two hundred forty-three thousand, one hundred forty-two".