244142317 has 8 divisors (see below), whose sum is σ = 251011736. Its totient is φ = 237287232.

The previous prime is 244142303. The next prime is 244142323. The reversal of 244142317 is 713241442.

It can be written as a sum of positive squares in 4 ways, for example, as 123010281 + 121132036 = 11091^2 + 11006^2 .

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 244142317 - 2⁷ = 244142189 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (244142417) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37423 + ... + 43459.

It is an arithmetic number, because the mean of its divisors is an integer number (31376467).

Almost surely, 2^244142317 is an apocalyptic number.

It is an amenable number.

244142317 is a deficient number, since it is larger than the sum of its proper divisors (6869419).

244142317 is a wasteful number, since it uses less digits than its factorization.

244142317 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7167.

The product of its digits is 5376, while the sum is 28.

The square root of 244142317 is about 15625.0541439062. The cubic root of 244142317 is about 625.0014438367.

Adding to 244142317 its reverse (713241442), we get a palindrome (957383759).

The spelling of 244142317 in words is "two hundred forty-four million, one hundred forty-two thousand, three hundred seventeen".