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142837 is a prime number
BaseRepresentation
bin100010110111110101
321020221021
4202313311
514032322
63021141
71133302
oct426765
9236837
10142837
1198352
126a7b1
1350026
143a0a9
152c4c7
hex22df5

142837 has 2 divisors, whose sum is σ = 142838. Its totient is φ = 142836.

The previous prime is 142811. The next prime is 142841. The reversal of 142837 is 738241.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 108241 + 34596 = 329^2 + 186^2 .

It is a cyclic number.

It is not a de Polignac number, because 142837 - 215 = 110069 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (142867) 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, 71418 + 71419.

It is an arithmetic number, because the mean of its divisors is an integer number (71419).

2142837 is an apocalyptic number.

It is an amenable number.

142837 is a deficient number, since it is larger than the sum of its proper divisors (1).

142837 is an equidigital number, since it uses as much as digits as its factorization.

142837 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1344, while the sum is 25.

The square root of 142837 is about 377.9378255745. The cubic root of 142837 is about 52.2733387796.

It can be divided in two parts, 142 and 837, that added together give a palindrome (979).

The spelling of 142837 in words is "one hundred forty-two thousand, eight hundred thirty-seven".