44889137 has 8 divisors (see below), whose sum is σ = 46395720. Its totient is φ = 43402240.

The previous prime is 44889133. The next prime is 44889149. The reversal of 44889137 is 73198844.

44889137 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 4 ways, for example, as 1540081 + 43349056 = 1241^2 + 6584^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 44889137 - 2² = 44889133 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (44889133) 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 7 ways as a sum of consecutive naturals, for example, 212 + ... + 9477.

It is an arithmetic number, because the mean of its divisors is an integer number (5799465).

Almost surely, 2^44889137 is an apocalyptic number.

It is an amenable number.

44889137 is a deficient number, since it is larger than the sum of its proper divisors (1506583).

44889137 is a wasteful number, since it uses less digits than its factorization.

44889137 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9843.

The product of its digits is 193536, while the sum is 44.

The square root of 44889137 is about 6699.9355967054. The cubic root of 44889137 is about 355.3969955369.

The spelling of 44889137 in words is "forty-four million, eight hundred eighty-nine thousand, one hundred thirty-seven".