244243145 has 8 divisors (see below), whose sum is σ = 296385480. Its totient is φ = 193198720.

The previous prime is 244243117. The next prime is 244243151. The reversal of 244243145 is 541342442.

It can be written as a sum of positive squares in 4 ways, for example, as 19123129 + 225120016 = 4373^2 + 15004^2 .

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

It is not a de Polignac number, because 244243145 - 2¹⁴ = 244226761 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 273986 + ... + 274875.

It is an arithmetic number, because the mean of its divisors is an integer number (37048185).

Almost surely, 2^244243145 is an apocalyptic number.

It is an amenable number.

244243145 is a deficient number, since it is larger than the sum of its proper divisors (52142335).

244243145 is an equidigital number, since it uses as much as digits as its factorization.

244243145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 548955.

The product of its digits is 15360, while the sum is 29.

The square root of 244243145 is about 15628.2802956691. The cubic root of 244243145 is about 625.0874714907.

Adding to 244243145 its reverse (541342442), we get a palindrome (785585587).

The spelling of 244243145 in words is "two hundred forty-four million, two hundred forty-three thousand, one hundred forty-five".