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144278159 is a prime number
BaseRepresentation
bin10001001100110…
…00001010001111
3101001111002102112
420212120022033
5243413400114
622152214235
73401226014
oct1046301217
9331432375
10144278159
1174494353
124039a37b
1323b776bc
141523970b
15c9ee13e
hex899828f

144278159 has 2 divisors, whose sum is σ = 144278160. Its totient is φ = 144278158.

The previous prime is 144278129. The next prime is 144278179. The reversal of 144278159 is 951872441.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-144278159 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (144278119) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72139079 + 72139080.

It is an arithmetic number, because the mean of its divisors is an integer number (72139080).

Almost surely, 2144278159 is an apocalyptic number.

144278159 is a deficient number, since it is larger than the sum of its proper divisors (1).

144278159 is an equidigital number, since it uses as much as digits as its factorization.

144278159 is an evil number, because the sum of its binary digits is even.

The product of its digits is 80640, while the sum is 41.

The square root of 144278159 is about 12011.5843667686. The cubic root of 144278159 is about 524.4855538077.

The spelling of 144278159 in words is "one hundred forty-four million, two hundred seventy-eight thousand, one hundred fifty-nine".