244023345 has 24 divisors (see below), whose sum is σ = 424747752. Its totient is φ = 129600000.

The previous prime is 244023341. The next prime is 244023359. The reversal of 244023345 is 543320442.

It can be written as a sum of positive squares in 4 ways, for example, as 135280161 + 108743184 = 11631^2 + 10428^2 .

It is not a de Polignac number, because 244023345 - 2² = 244023341 is a prime.

It is not an unprimeable number, because it can be changed into a prime (244023341) 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 23 ways as a sum of consecutive naturals, for example, 406 + ... + 22095.

It is an arithmetic number, because the mean of its divisors is an integer number (17697823).

Almost surely, 2^244023345 is an apocalyptic number.

It is an amenable number.

244023345 is a deficient number, since it is larger than the sum of its proper divisors (180724407).

244023345 is a wasteful number, since it uses less digits than its factorization.

244023345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22753 (or 22750 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 27.

The square root of 244023345 is about 15621.2465891810. The cubic root of 244023345 is about 624.8999050371.

Adding to 244023345 its reverse (543320442), we get a palindrome (787343787).

The spelling of 244023345 in words is "two hundred forty-four million, twenty-three thousand, three hundred forty-five".