244749145 has 16 divisors (see below), whose sum is σ = 297792000. Its totient is φ = 193088448.

The previous prime is 244749143. The next prime is 244749151. The reversal of 244749145 is 541947442.

It is a cyclic number.

It is not a de Polignac number, because 244749145 - 2¹ = 244749143 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 244749098 and 244749107.

It is not an unprimeable number, because it can be changed into a prime (244749143) 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, 129316 + ... + 131194.

It is an arithmetic number, because the mean of its divisors is an integer number (18612000).

Almost surely, 2^244749145 is an apocalyptic number.

It is an amenable number.

244749145 is a deficient number, since it is larger than the sum of its proper divisors (53042855).

244749145 is a wasteful number, since it uses less digits than its factorization.

244749145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2232.

The product of its digits is 161280, while the sum is 40.

The square root of 244749145 is about 15644.4605212196. The cubic root of 244749145 is about 625.5188395696.

The spelling of 244749145 in words is "two hundred forty-four million, seven hundred forty-nine thousand, one hundred forty-five".