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143438341 is a prime number
BaseRepresentation
bin10001000110010…
…11001000000101
3100222220102102011
420203023020011
5243210011331
622122214221
73361130404
oct1043131005
9328812364
10143438341
1173a70392
1240054371
1323942377
141509b63b
15c8d53b1
hex88cb205

143438341 has 2 divisors, whose sum is σ = 143438342. Its totient is φ = 143438340.

The previous prime is 143438329. The next prime is 143438413. The reversal of 143438341 is 143834341.

Together with next prime (143438413) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 142898116 + 540225 = 11954^2 + 735^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-143438341 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (143438311) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71719170 + 71719171.

It is an arithmetic number, because the mean of its divisors is an integer number (71719171).

Almost surely, 2143438341 is an apocalyptic number.

It is an amenable number.

143438341 is a deficient number, since it is larger than the sum of its proper divisors (1).

143438341 is an equidigital number, since it uses as much as digits as its factorization.

143438341 is an evil number, because the sum of its binary digits is even.

The product of its digits is 13824, while the sum is 31.

The square root of 143438341 is about 11976.5746772606. The cubic root of 143438341 is about 523.4659265726.

The spelling of 143438341 in words is "one hundred forty-three million, four hundred thirty-eight thousand, three hundred forty-one".