142061 has 2 divisors, whose sum is σ = 142062. Its totient is φ = 142060.
The previous prime is 142057. The next prime is 142067. The reversal of 142061 is 160241.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 133225 + 8836 = 365^2 + 94^2 .
It is a cyclic number.
It is not a de Polignac number, because 142061 - 22 = 142057 is a 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 142061.
It is not a weakly prime, because it can be changed into another prime (142067) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71030 + 71031.
It is an arithmetic number, because the mean of its divisors is an integer number (71031).
2142061 is an apocalyptic number.
It is an amenable number.
142061 is a deficient number, since it is larger than the sum of its proper divisors (1).
142061 is an equidigital number, since it uses as much as digits as its factorization.
142061 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 48, while the sum is 14.
The square root of 142061 is about 376.9098035339. The cubic root of 142061 is about 52.1785038935.
The spelling of 142061 in words is "one hundred forty-two thousand, sixty-one".
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