39228145 has 8 divisors (see below), whose sum is σ = 51353280. Its totient is φ = 28529520.

The previous prime is 39228131. The next prime is 39228149. The reversal of 39228145 is 54182293.

39228145 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 not a de Polignac number, because 39228145 - 2⁷ = 39228017 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 39228145.

It is not an unprimeable number, because it can be changed into a prime (39228149) 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 7 ways as a sum of consecutive naturals, for example, 356565 + ... + 356674.

It is an arithmetic number, because the mean of its divisors is an integer number (6419160).

Almost surely, 2^39228145 is an apocalyptic number.

It is an amenable number.

39228145 is a deficient number, since it is larger than the sum of its proper divisors (12125135).

39228145 is a wasteful number, since it uses less digits than its factorization.

39228145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 713255.

The product of its digits is 17280, while the sum is 34.

The square root of 39228145 is about 6263.2375813153. The cubic root of 39228145 is about 339.7811307632.

The spelling of 39228145 in words is "thirty-nine million, two hundred twenty-eight thousand, one hundred forty-five".