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144400337 is a prime number
BaseRepresentation
bin10001001101101…
…01111111010001
3101001201022000122
420212311333101
5243431302322
622155000025
73402245144
oct1046657721
9331638018
10144400337
1174568124
1240439015
1323bbb1b3
141526c05b
15ca25442
hex89b5fd1

144400337 has 2 divisors, whose sum is σ = 144400338. Its totient is φ = 144400336.

The previous prime is 144400273. The next prime is 144400339. The reversal of 144400337 is 733004441.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 128845201 + 15555136 = 11351^2 + 3944^2 .

It is a cyclic number.

It is not a de Polignac number, because 144400337 - 26 = 144400273 is a prime.

Together with 144400339, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (144400339) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72200168 + 72200169.

It is an arithmetic number, because the mean of its divisors is an integer number (72200169).

Almost surely, 2144400337 is an apocalyptic number.

It is an amenable number.

144400337 is a deficient number, since it is larger than the sum of its proper divisors (1).

144400337 is an equidigital number, since it uses as much as digits as its factorization.

144400337 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4032, while the sum is 26.

The square root of 144400337 is about 12016.6691308365. The cubic root of 144400337 is about 524.6335607701.

Adding to 144400337 its reverse (733004441), we get a palindrome (877404778).

The spelling of 144400337 in words is "one hundred forty-four million, four hundred thousand, three hundred thirty-seven".