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144404341 = 172499669
BaseRepresentation
bin10001001101101…
…10111101110101
3101001201111111221
420212312331311
5243431414331
622155030341
73402262624
oct1046667565
9331644457
10144404341
1174570134
124043b3b1
1323bbcc73
141526d6bb
15ca26711
hex89b6f75

144404341 has 6 divisors (see below), whose sum is σ = 153398690. Its totient is φ = 135909696.

The previous prime is 144404333. The next prime is 144404353. The reversal of 144404341 is 143404441.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 18740241 + 125664100 = 4329^2 + 11210^2 .

It is not a de Polignac number, because 144404341 - 23 = 144404333 is a prime.

It is a super-2 number, since 2×1444043412 = 41705227399288562, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144404321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 249546 + ... + 250123.

Almost surely, 2144404341 is an apocalyptic number.

It is an amenable number.

144404341 is a deficient number, since it is larger than the sum of its proper divisors (8994349).

144404341 is an equidigital number, since it uses as much as digits as its factorization.

144404341 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 499703 (or 499686 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 25.

The square root of 144404341 is about 12016.8357315892. The cubic root of 144404341 is about 524.6384098201.

Adding to 144404341 its reverse (143404441), we get a palindrome (287808782).

It can be divided in two parts, 14440 and 4341, that added together give a palindrome (18781).

The spelling of 144404341 in words is "one hundred forty-four million, four hundred four thousand, three hundred forty-one".

Divisors: 1 17 289 499669 8494373 144404341