44727145 has 4 divisors (see below), whose sum is σ = 53672580. Its totient is φ = 35781712.

The previous prime is 44727131. The next prime is 44727161. The reversal of 44727145 is 54172744.

It is a happy number.

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 34892649 + 9834496 = 5907^2 + 3136^2 .

It is a cyclic number.

It is not a de Polignac number, because 44727145 - 2⁵ = 44727113 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 44727145.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4472710 + ... + 4472719.

It is an arithmetic number, because the mean of its divisors is an integer number (13418145).

Almost surely, 2^44727145 is an apocalyptic number.

It is an amenable number.

44727145 is a deficient number, since it is larger than the sum of its proper divisors (8945435).

44727145 is an equidigital number, since it uses as much as digits as its factorization.

44727145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8945434.

The product of its digits is 31360, while the sum is 34.

The square root of 44727145 is about 6687.8355990559. The cubic root of 44727145 is about 354.9689716979.

Adding to 44727145 its reverse (54172744), we get a palindrome (98899889).

The spelling of 44727145 in words is "forty-four million, seven hundred twenty-seven thousand, one hundred forty-five".