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144543626081 is a prime number
BaseRepresentation
bin1000011010011101111…
…0001011001101100001
3111211002111022222222122
42012213132023031201
54332011132013311
6150222531314025
713304632356401
oct2064736131541
9454074288878
10144543626081
1156334121718
122401b44b915
131082700193a
146dd2c52801
153b5ea7b0db
hex21a778b361

144543626081 has 2 divisors, whose sum is σ = 144543626082. Its totient is φ = 144543626080.

The previous prime is 144543626011. The next prime is 144543626083. The reversal of 144543626081 is 180626345441.

144543626081 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 137226534481 + 7317091600 = 370441^2 + 85540^2 .

It is a cyclic number.

It is not a de Polignac number, because 144543626081 - 226 = 144476517217 is a prime.

It is a super-2 number, since 2×1445436260812 (a number of 23 digits) contains 22 as substring.

Together with 144543626083, 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 (144543626083) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72271813040 + 72271813041.

It is an arithmetic number, because the mean of its divisors is an integer number (72271813041).

Almost surely, 2144543626081 is an apocalyptic number.

It is an amenable number.

144543626081 is a deficient number, since it is larger than the sum of its proper divisors (1).

144543626081 is an equidigital number, since it uses as much as digits as its factorization.

144543626081 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 552960, while the sum is 44.

The spelling of 144543626081 in words is "one hundred forty-four billion, five hundred forty-three million, six hundred twenty-six thousand, eighty-one".