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143030897 is a prime number
BaseRepresentation
bin10001000011001…
…11101001110001
3100222010201111122
420201213221301
5243103442042
622105352025
73354512462
oct1041475161
9328121448
10143030897
1173812259
123ba98615
132382ba89
1414dd2d69
15c8547d2
hex8867a71

143030897 has 2 divisors, whose sum is σ = 143030898. Its totient is φ = 143030896.

The previous prime is 143030891. The next prime is 143030933. The reversal of 143030897 is 798030341.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 96845281 + 46185616 = 9841^2 + 6796^2 .

It is a cyclic number.

It is not a de Polignac number, because 143030897 - 224 = 126253681 is a prime.

It is a Chen prime.

It is equal to p8073719 and since 143030897 and 8073719 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (143030891) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71515448 + 71515449.

It is an arithmetic number, because the mean of its divisors is an integer number (71515449).

Almost surely, 2143030897 is an apocalyptic number.

It is an amenable number.

143030897 is a deficient number, since it is larger than the sum of its proper divisors (1).

143030897 is an equidigital number, since it uses as much as digits as its factorization.

143030897 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18144, while the sum is 35.

The square root of 143030897 is about 11959.5525417969. The cubic root of 143030897 is about 522.9698125491.

The spelling of 143030897 in words is "one hundred forty-three million, thirty thousand, eight hundred ninety-seven".