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144214331 is a prime number
BaseRepresentation
bin10001001100010…
…00100100111011
3101001100211212112
420212020210323
5243404324311
622151002535
73400541642
oct1046104473
9331324775
10144214331
11744503a8
124036944b
1323b54631
1415220359
15c9da28b
hex898893b

144214331 has 2 divisors, whose sum is σ = 144214332. Its totient is φ = 144214330.

The previous prime is 144214327. The next prime is 144214333. The reversal of 144214331 is 133412441.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 144214331 - 22 = 144214327 is a prime.

It is a super-2 number, since 2×1442143312 = 41595546531555122, which contains 22 as substring.

Together with 144214333, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 144214297 and 144214306.

It is not a weakly prime, because it can be changed into another prime (144214333) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72107165 + 72107166.

It is an arithmetic number, because the mean of its divisors is an integer number (72107166).

Almost surely, 2144214331 is an apocalyptic number.

144214331 is a deficient number, since it is larger than the sum of its proper divisors (1).

144214331 is an equidigital number, since it uses as much as digits as its factorization.

144214331 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1152, while the sum is 23.

The square root of 144214331 is about 12008.9271377588. The cubic root of 144214331 is about 524.4081990598.

Adding to 144214331 its reverse (133412441), we get a palindrome (277626772).

The spelling of 144214331 in words is "one hundred forty-four million, two hundred fourteen thousand, three hundred thirty-one".