44457745 has 4 divisors (see below), whose sum is σ = 53349300. Its totient is φ = 35566192.

The previous prime is 44457727. The next prime is 44457779. The reversal of 44457745 is 54775444.

44457745 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 4464769 + 39992976 = 2113^2 + 6324^2 .

It is a cyclic number.

It is not a de Polignac number, because 44457745 - 2¹³ = 44449553 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 44457698 and 44457707.

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, 4445770 + ... + 4445779.

It is an arithmetic number, because the mean of its divisors is an integer number (13337325).

Almost surely, 2^44457745 is an apocalyptic number.

It is an amenable number.

44457745 is a deficient number, since it is larger than the sum of its proper divisors (8891555).

44457745 is an equidigital number, since it uses as much as digits as its factorization.

44457745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8891554.

The product of its digits is 313600, while the sum is 40.

The square root of 44457745 is about 6667.6641337128. The cubic root of 44457745 is about 354.2548544100.

The spelling of 44457745 in words is "forty-four million, four hundred fifty-seven thousand, seven hundred forty-five".