244243147 has 8 divisors (see below), whose sum is σ = 245846016. Its totient is φ = 242645352.

The previous prime is 244243117. The next prime is 244243151. The reversal of 244243147 is 741342442.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 244243147 - 2⁷ = 244243019 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (244243117) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 146038 + ... + 147700.

It is an arithmetic number, because the mean of its divisors is an integer number (30730752).

Almost surely, 2^244243147 is an apocalyptic number.

244243147 is a deficient number, since it is larger than the sum of its proper divisors (1602869).

244243147 is a wasteful number, since it uses less digits than its factorization.

244243147 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2537.

The product of its digits is 21504, while the sum is 31.

The square root of 244243147 is about 15628.2803596557. The cubic root of 244243147 is about 625.0874731969.

Adding to 244243147 its reverse (741342442), we get a palindrome (985585589).

The spelling of 244243147 in words is "two hundred forty-four million, two hundred forty-three thousand, one hundred forty-seven".