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144000397 is a prime number
BaseRepresentation
bin10001001010101…
…00010110001101
3101000221222102001
420211110112031
5243331003042
622142232301
73365661142
oct1045242615
9330858361
10144000397
11743146a2
1240285691
1323aab148
14151a63c9
15c996bb7
hex895458d

144000397 has 2 divisors, whose sum is σ = 144000398. Its totient is φ = 144000396.

The previous prime is 144000391. The next prime is 144000403. The reversal of 144000397 is 793000441.

It is a balanced prime because it is at equal distance from previous prime (144000391) and next prime (144000403).

It can be written as a sum of positive squares in only one way, i.e., 143304841 + 695556 = 11971^2 + 834^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-144000397 is a prime.

It is a super-2 number, since 2×1440003972 = 41472228672315218, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (144000391) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72000198 + 72000199.

It is an arithmetic number, because the mean of its divisors is an integer number (72000199).

Almost surely, 2144000397 is an apocalyptic number.

It is an amenable number.

144000397 is a deficient number, since it is larger than the sum of its proper divisors (1).

144000397 is an equidigital number, since it uses as much as digits as its factorization.

144000397 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3024, while the sum is 28.

The square root of 144000397 is about 12000.0165416553. The cubic root of 144000397 is about 524.1487605239.

The spelling of 144000397 in words is "one hundred forty-four million, three hundred ninety-seven", and thus it is an aban number.