44539145 has 8 divisors (see below), whose sum is σ = 61082304. Its totient is φ = 30541104.

The previous prime is 44539129. The next prime is 44539151. The reversal of 44539145 is 54193544.

44539145 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 44539145 - 2⁴ = 44539129 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (35), and also a Moran number because the ratio is a prime number: 1272547 = 44539145 / (4 + 4 + 5 + 3 + 9 + 1 + 4 + 5).

It is a Duffinian number.

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 7 ways as a sum of consecutive naturals, for example, 636239 + ... + 636308.

It is an arithmetic number, because the mean of its divisors is an integer number (7635288).

Almost surely, 2^44539145 is an apocalyptic number.

It is an amenable number.

44539145 is a deficient number, since it is larger than the sum of its proper divisors (16543159).

44539145 is a wasteful number, since it uses less digits than its factorization.

44539145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1272559.

The product of its digits is 43200, while the sum is 35.

The square root of 44539145 is about 6673.7654289014. The cubic root of 44539145 is about 354.4709304743.

The spelling of 44539145 in words is "forty-four million, five hundred thirty-nine thousand, one hundred forty-five".