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142799 is a prime number
BaseRepresentation
bin100010110111001111
321020212212
4202313033
514032144
63021035
71133216
oct426717
9236785
10142799
1198318
126a77b
134ccc7
143a07d
152c49e
hex22dcf

142799 has 2 divisors, whose sum is σ = 142800. Its totient is φ = 142798.

The previous prime is 142789. The next prime is 142811. The reversal of 142799 is 997241.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 142799 - 28 = 142543 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 142799.

It is not a weakly prime, because it can be changed into another prime (142759) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71399 + 71400.

It is an arithmetic number, because the mean of its divisors is an integer number (71400).

2142799 is an apocalyptic number.

142799 is a deficient number, since it is larger than the sum of its proper divisors (1).

142799 is an equidigital number, since it uses as much as digits as its factorization.

142799 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4536, while the sum is 32.

The square root of 142799 is about 377.8875494112. The cubic root of 142799 is about 52.2687028121.

The spelling of 142799 in words is "one hundred forty-two thousand, seven hundred ninety-nine".