244287345 has 16 divisors (see below), whose sum is σ = 391128192. Its totient is φ = 130197120.

The previous prime is 244287319. The next prime is 244287349. The reversal of 244287345 is 543782442.

It is a happy number.

It is not a de Polignac number, because 244287345 - 2⁷ = 244287217 is a prime.

It is not an unprimeable number, because it can be changed into a prime (244287349) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21084 + ... + 30546.

It is an arithmetic number, because the mean of its divisors is an integer number (24445512).

Almost surely, 2^244287345 is an apocalyptic number.

It is an amenable number.

244287345 is a deficient number, since it is larger than the sum of its proper divisors (146840847).

244287345 is a wasteful number, since it uses less digits than its factorization.

244287345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11192.

The product of its digits is 215040, while the sum is 39.

The square root of 244287345 is about 15629.6943348231. The cubic root of 244287345 is about 625.1251759945.

The spelling of 244287345 in words is "two hundred forty-four million, two hundred eighty-seven thousand, three hundred forty-five".