44539136 has 18 divisors (see below), whose sum is σ = 88904802. Its totient is φ = 22269440.

The previous prime is 44539129. The next prime is 44539151. The reversal of 44539136 is 63193544.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 39942400 + 4596736 = 6320^2 + 2144^2 .

It is a junction number, because it is equal to n+sod(n) for n = 44539096 and 44539105.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 86735 + ... + 87246.

Almost surely, 2^44539136 is an apocalyptic number.

It is an amenable number.

44539136 is a deficient number, since it is larger than the sum of its proper divisors (44365666).

44539136 is an equidigital number, since it uses as much as digits as its factorization.

44539136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 173997 (or 173983 counting only the distinct ones).

The product of its digits is 38880, while the sum is 35.

The square root of 44539136 is about 6673.7647546194. The cubic root of 44539136 is about 354.4709065984.

The spelling of 44539136 in words is "forty-four million, five hundred thirty-nine thousand, one hundred thirty-six".