142330061 has 2 divisors, whose sum is σ = 142330062. Its totient is φ = 142330060.

The previous prime is 142329989. The next prime is 142330073. The reversal of 142330061 is 160033241.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 78234025 + 64096036 = 8845^2 + 8006^2 .

It is a cyclic number.

It is not a de Polignac number, because 142330061 - 2¹⁸ = 142067917 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (142330561) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71165030 + 71165031.

It is an arithmetic number, because the mean of its divisors is an integer number (71165031).

Almost surely, 2^142330061 is an apocalyptic number.

It is an amenable number.

142330061 is a deficient number, since it is larger than the sum of its proper divisors (1).

142330061 is an equidigital number, since it uses as much as digits as its factorization.

142330061 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 432, while the sum is 20.

The square root of 142330061 is about 11930.2163014758. The cubic root of 142330061 is about 522.1142483693.

The spelling of 142330061 in words is "one hundred forty-two million, three hundred thirty thousand, sixty-one".