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142357 is a prime number
BaseRepresentation
bin100010110000010101
321020021111
4202300111
514023412
63015021
71132015
oct426025
9236244
10142357
1197a56
126a471
134ca47
1439c45
152c2a7
hex22c15

142357 has 2 divisors, whose sum is σ = 142358. Its totient is φ = 142356.

The previous prime is 142327. The next prime is 142369. The reversal of 142357 is 753241.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 77841 + 64516 = 279^2 + 254^2 .

It is a cyclic number.

It is not a de Polignac number, because 142357 - 215 = 109589 is a 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 142357.

It is not a weakly prime, because it can be changed into another prime (142327) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71178 + 71179.

It is an arithmetic number, because the mean of its divisors is an integer number (71179).

2142357 is an apocalyptic number.

It is an amenable number.

142357 is a deficient number, since it is larger than the sum of its proper divisors (1).

142357 is an equidigital number, since it uses as much as digits as its factorization.

142357 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 840, while the sum is 22.

The square root of 142357 is about 377.3022660944. The cubic root of 142357 is about 52.2147186711.

Adding to 142357 its reverse (753241), we get a palindrome (895598).

The spelling of 142357 in words is "one hundred forty-two thousand, three hundred fifty-seven".