244345138 has 8 divisors (see below), whose sum is σ = 372526380. Its totient is φ = 120169680.

The previous prime is 244345133. The next prime is 244345229. The reversal of 244345138 is 831543442.

It can be written as a sum of positive squares in 2 ways, for example, as 214827649 + 29517489 = 14657^2 + 5433^2 .

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

It is not an unprimeable number, because it can be changed into a prime (244345133) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1001293 + ... + 1001536.

Almost surely, 2^244345138 is an apocalyptic number.

244345138 is a deficient number, since it is larger than the sum of its proper divisors (128181242).

244345138 is a wasteful number, since it uses less digits than its factorization.

244345138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2002892.

The product of its digits is 46080, while the sum is 34.

The square root of 244345138 is about 15631.5430460336. The cubic root of 244345138 is about 625.1744690523.

The spelling of 244345138 in words is "two hundred forty-four million, three hundred forty-five thousand, one hundred thirty-eight".