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142223 is a prime number
BaseRepresentation
bin100010101110001111
321020002112
4202232033
514022343
63014235
71131434
oct425617
9236075
10142223
1197944
126a37b
134c973
1439b8b
152c218
hex22b8f

142223 has 2 divisors, whose sum is σ = 142224. Its totient is φ = 142222.

The previous prime is 142217. The next prime is 142231. The reversal of 142223 is 322241.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 142223 - 26 = 142159 is a prime.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 142198 and 142207.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (142123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71111 + 71112.

It is an arithmetic number, because the mean of its divisors is an integer number (71112).

2142223 is an apocalyptic number.

142223 is a deficient number, since it is larger than the sum of its proper divisors (1).

142223 is an equidigital number, since it uses as much as digits as its factorization.

142223 is an evil number, because the sum of its binary digits is even.

The product of its digits is 96, while the sum is 14.

The square root of 142223 is about 377.1246478288. The cubic root of 142223 is about 52.1983303684.

Adding to 142223 its reverse (322241), we get a palindrome (464464).

It can be divided in two parts, 1 and 42223, that added together give a palindrome (42224).

The spelling of 142223 in words is "one hundred forty-two thousand, two hundred twenty-three", and thus it is an iban number.