44138146 has 8 divisors (see below), whose sum is σ = 71300124. Its totient is φ = 20371440.

The previous prime is 44138131. The next prime is 44138153. The reversal of 44138146 is 64183144.

44138146 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 2 ways, for example, as 44023225 + 114921 = 6635^2 + 339^2 .

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

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 848785 + ... + 848836.

Almost surely, 2^44138146 is an apocalyptic number.

44138146 is a deficient number, since it is larger than the sum of its proper divisors (27161978).

44138146 is a wasteful number, since it uses less digits than its factorization.

44138146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1697636.

The product of its digits is 9216, while the sum is 31.

The square root of 44138146 is about 6643.6545665770. The cubic root of 44138146 is about 353.4039198798.

The spelling of 44138146 in words is "forty-four million, one hundred thirty-eight thousand, one hundred forty-six".