142252241 has 2 divisors, whose sum is σ = 142252242. Its totient is φ = 142252240.

The previous prime is 142252223. The next prime is 142252249.

142252241 is nontrivially palindromic in base 10.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 104121616 + 38130625 = 10204^2 + 6175^2 .

It is a palprime.

It is a cyclic number.

It is not a de Polignac number, because 142252241 - 2¹⁰ = 142251217 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (142252249) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71126120 + 71126121.

It is an arithmetic number, because the mean of its divisors is an integer number (71126121).

Almost surely, 2^142252241 is an apocalyptic number.

It is an amenable number.

142252241 is a deficient number, since it is larger than the sum of its proper divisors (1).

142252241 is an equidigital number, since it uses as much as digits as its factorization.

142252241 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1280, while the sum is 23.

The square root of 142252241 is about 11926.9543891138. The cubic root of 142252241 is about 522.0190744291.

The spelling of 142252241 in words is "one hundred forty-two million, two hundred fifty-two thousand, two hundred forty-one".