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144000641 is a prime number
BaseRepresentation
bin10001001010101…
…00011010000001
3101000221222202002
420211110122001
5243331010031
622142233345
73365661641
oct1045243201
9330858662
10144000641
11743148a4
1240285855
1323aab2a5
14151a6521
15c996ccb
hex8954681

144000641 has 2 divisors, whose sum is σ = 144000642. Its totient is φ = 144000640.

The previous prime is 144000617. The next prime is 144000683. The reversal of 144000641 is 146000441.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 141110641 + 2890000 = 11879^2 + 1700^2 .

It is an emirp because it is prime and its reverse (146000441) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 144000641 - 210 = 143999617 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (144000691) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72000320 + 72000321.

It is an arithmetic number, because the mean of its divisors is an integer number (72000321).

Almost surely, 2144000641 is an apocalyptic number.

It is an amenable number.

144000641 is a deficient number, since it is larger than the sum of its proper divisors (1).

144000641 is an equidigital number, since it uses as much as digits as its factorization.

144000641 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 144000641 is about 12000.0267083036. The cubic root of 144000641 is about 524.1490565699.

The spelling of 144000641 in words is "one hundred forty-four million, six hundred forty-one", and thus it is an aban number.