41730145 has 4 divisors (see below), whose sum is σ = 50076180. Its totient is φ = 33384112.

The previous prime is 41730131. The next prime is 41730149. The reversal of 41730145 is 54103714.

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 26915344 + 14814801 = 5188^2 + 3849^2 .

It is a cyclic number.

It is not a de Polignac number, because 41730145 - 2²³ = 33341537 is a prime.

It is not an unprimeable number, because it can be changed into a prime (41730149) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 4173010 + ... + 4173019.

It is an arithmetic number, because the mean of its divisors is an integer number (12519045).

Almost surely, 2^41730145 is an apocalyptic number.

It is an amenable number.

41730145 is a deficient number, since it is larger than the sum of its proper divisors (8346035).

41730145 is an equidigital number, since it uses as much as digits as its factorization.

41730145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8346034.

The product of its (nonzero) digits is 1680, while the sum is 25.

The square root of 41730145 is about 6459.8873829193. The cubic root of 41730145 is about 346.8566015185.

Adding to 41730145 its reverse (54103714), we get a palindrome (95833859).

The spelling of 41730145 in words is "forty-one million, seven hundred thirty thousand, one hundred forty-five".