142042141 has 2 divisors, whose sum is σ = 142042142. Its totient is φ = 142042140.

The previous prime is 142042129. The next prime is 142042177. The reversal of 142042141 is 141240241.

142042141 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 133310116 + 8732025 = 11546^2 + 2955^2 .

It is a cyclic number.

It is not a de Polignac number, because 142042141 - 2¹⁷ = 141911069 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (142042111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71021070 + 71021071.

It is an arithmetic number, because the mean of its divisors is an integer number (71021071).

Almost surely, 2^142042141 is an apocalyptic number.

It is an amenable number.

142042141 is a deficient number, since it is larger than the sum of its proper divisors (1).

142042141 is an equidigital number, since it uses as much as digits as its factorization.

142042141 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 256, while the sum is 19.

The square root of 142042141 is about 11918.1433537275. The cubic root of 142042141 is about 521.7619484331.

Adding to 142042141 its reverse (141240241), we get a palindrome (283282382).

The spelling of 142042141 in words is "one hundred forty-two million, forty-two thousand, one hundred forty-one".