44138141 has 8 divisors (see below), whose sum is σ = 45639168. Its totient is φ = 42642000.

The previous prime is 44138131. The next prime is 44138153. The reversal of 44138141 is 14183144.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-44138141 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 44138141.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44138131) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31271 + ... + 32651.

It is an arithmetic number, because the mean of its divisors is an integer number (5704896).

Almost surely, 2^44138141 is an apocalyptic number.

It is an amenable number.

44138141 is a deficient number, since it is larger than the sum of its proper divisors (1501027).

44138141 is a wasteful number, since it uses less digits than its factorization.

44138141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2443.

The product of its digits is 1536, while the sum is 26.

The square root of 44138141 is about 6643.6541902781. The cubic root of 44138141 is about 353.4039065352.

The spelling of 44138141 in words is "forty-four million, one hundred thirty-eight thousand, one hundred forty-one".