244144405 has 4 divisors (see below), whose sum is σ = 292973292. Its totient is φ = 195315520.

The previous prime is 244144403. The next prime is 244144409. The reversal of 244144405 is 504441442.

244144405 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 143784081 + 100360324 = 11991^2 + 10018^2 .

It is not a de Polignac number, because 244144405 - 2¹ = 244144403 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (244144403) 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, 24414436 + ... + 24414445.

It is an arithmetic number, because the mean of its divisors is an integer number (73243323).

Almost surely, 2^244144405 is an apocalyptic number.

It is an amenable number.

244144405 is a deficient number, since it is larger than the sum of its proper divisors (48828887).

244144405 is an equidigital number, since it uses as much as digits as its factorization.

244144405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48828886.

The product of its (nonzero) digits is 10240, while the sum is 28.

The square root of 244144405 is about 15625.1209595318. The cubic root of 244144405 is about 625.0032255834.

Adding to 244144405 its reverse (504441442), we get a palindrome (748585847).

The spelling of 244144405 in words is "two hundred forty-four million, one hundred forty-four thousand, four hundred five".