142042301 has 2 divisors, whose sum is σ = 142042302. Its totient is φ = 142042300.

The previous prime is 142042289. The next prime is 142042331. The reversal of 142042301 is 103240241.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 141967225 + 75076 = 11915^2 + 274^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-142042301 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 142042301.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (142042331) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71021150 + 71021151.

It is an arithmetic number, because the mean of its divisors is an integer number (71021151).

Almost surely, 2^142042301 is an apocalyptic number.

It is an amenable number.

142042301 is a deficient number, since it is larger than the sum of its proper divisors (1).

142042301 is an equidigital number, since it uses as much as digits as its factorization.

142042301 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 142042301 is about 11918.1500661806. The cubic root of 142042301 is about 521.7621443418.

Adding to 142042301 its reverse (103240241), we get a palindrome (245282542).

The spelling of 142042301 in words is "one hundred forty-two million, forty-two thousand, three hundred one".