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144901297 is a prime number
BaseRepresentation
bin10001010001100…
…00010010110001
3101002122202012201
420220300102301
5244043320142
622213423201
73406432522
oct1050602261
9332582181
10144901297
117487a542
124063ab01
1324035218
141535c849
15cac3ab7
hex8a304b1

144901297 has 2 divisors, whose sum is σ = 144901298. Its totient is φ = 144901296.

The previous prime is 144901283. The next prime is 144901331. The reversal of 144901297 is 792109441.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 84621601 + 60279696 = 9199^2 + 7764^2 .

It is a cyclic number.

It is not a de Polignac number, because 144901297 - 223 = 136512689 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (144901397) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72450648 + 72450649.

It is an arithmetic number, because the mean of its divisors is an integer number (72450649).

Almost surely, 2144901297 is an apocalyptic number.

It is an amenable number.

144901297 is a deficient number, since it is larger than the sum of its proper divisors (1).

144901297 is an equidigital number, since it uses as much as digits as its factorization.

144901297 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18144, while the sum is 37.

The square root of 144901297 is about 12037.4954620968. The cubic root of 144901297 is about 525.2395544705.

Adding to 144901297 its product of nonzero digits (18144), we get a palindrome (144919441).

The spelling of 144901297 in words is "one hundred forty-four million, nine hundred one thousand, two hundred ninety-seven".