142567 has 2 divisors, whose sum is σ = 142568. Its totient is φ = 142566.
The previous prime is 142559. The next prime is 142573. The reversal of 142567 is 765241.
It is a strong prime.
It is an emirp because it is prime and its reverse (765241) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 142567 - 23 = 142559 is a prime.
It is a d-powerful number, because it can be written as 1 + 47 + 53 + 213 + 63 + 76 .
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (142537) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71283 + 71284.
It is an arithmetic number, because the mean of its divisors is an integer number (71284).
2142567 is an apocalyptic number.
142567 is a deficient number, since it is larger than the sum of its proper divisors (1).
142567 is an equidigital number, since it uses as much as digits as its factorization.
142567 is an evil number, because the sum of its binary digits is even.
The product of its digits is 1680, while the sum is 25.
The square root of 142567 is about 377.5804550026. The cubic root of 142567 is about 52.2403811571.
The spelling of 142567 in words is "one hundred forty-two thousand, five hundred sixty-seven".
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