44012143 has 12 divisors (see below), whose sum is σ = 51424032. Its totient is φ = 37558080.

The previous prime is 44012123. The next prime is 44012153. The reversal of 44012143 is 34121044.

It is a de Polignac number, because none of the positive numbers 2^k-44012143 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 44012143.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44012123) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9946 + ... + 13672.

It is an arithmetic number, because the mean of its divisors is an integer number (4285336).

Almost surely, 2^44012143 is an apocalyptic number.

44012143 is a deficient number, since it is larger than the sum of its proper divisors (7411889).

44012143 is a wasteful number, since it uses less digits than its factorization.

44012143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3982 (or 3975 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 44012143 is about 6634.1648306324. The cubic root of 44012143 is about 353.0673070756.

Adding to 44012143 its reverse (34121044), we get a palindrome (78133187).

The spelling of 44012143 in words is "forty-four million, twelve thousand, one hundred forty-three".