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144199271 is a prime number
BaseRepresentation
bin10001001100001…
…00111001100111
3101001100002012202
420212010321213
5243403334041
622150405115
73400450016
oct1046047147
9331302182
10144199271
1174440057
124036079b
1323b4a818
1415218a7d
15c9d5a9b
hex8984e67

144199271 has 2 divisors, whose sum is σ = 144199272. Its totient is φ = 144199270.

The previous prime is 144199247. The next prime is 144199291. The reversal of 144199271 is 172991441.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-144199271 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (144199291) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72099635 + 72099636.

It is an arithmetic number, because the mean of its divisors is an integer number (72099636).

Almost surely, 2144199271 is an apocalyptic number.

144199271 is a deficient number, since it is larger than the sum of its proper divisors (1).

144199271 is an equidigital number, since it uses as much as digits as its factorization.

144199271 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 18144, while the sum is 38.

The square root of 144199271 is about 12008.3000878559. The cubic root of 144199271 is about 524.3899441417.

The spelling of 144199271 in words is "one hundred forty-four million, one hundred ninety-nine thousand, two hundred seventy-one".