44705145 has 16 divisors (see below), whose sum is σ = 72334080. Its totient is φ = 23574144.

The previous prime is 44705137. The next prime is 44705149. The reversal of 44705145 is 54150744.

44705145 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 44705145 - 2³ = 44705137 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (44705149) 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 15 ways as a sum of consecutive naturals, for example, 15409 + ... + 18078.

It is an arithmetic number, because the mean of its divisors is an integer number (4520880).

Almost surely, 2^44705145 is an apocalyptic number.

It is an amenable number.

44705145 is a deficient number, since it is larger than the sum of its proper divisors (27628935).

44705145 is a wasteful number, since it uses less digits than its factorization.

44705145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33584.

The product of its (nonzero) digits is 11200, while the sum is 30.

The square root of 44705145 is about 6686.1906194783. The cubic root of 44705145 is about 354.9107624671.

Adding to 44705145 its reverse (54150744), we get a palindrome (98855889).

It can be divided in two parts, 44705 and 145, that added together give a triangular number (44850 = T₂₉₉).

The spelling of 44705145 in words is "forty-four million, seven hundred five thousand, one hundred forty-five".