142545241 has 2 divisors, whose sum is σ = 142545242. Its totient is φ = 142545240.

The previous prime is 142545217. The next prime is 142545251.

142545241 is nontrivially palindromic in base 10.

142545241 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 125529616 + 17015625 = 11204^2 + 4125^2 .

It is a palprime.

It is a cyclic number.

It is not a de Polignac number, because 142545241 - 2²⁵ = 108990809 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (142545251) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71272620 + 71272621.

It is an arithmetic number, because the mean of its divisors is an integer number (71272621).

Almost surely, 2^142545241 is an apocalyptic number.

It is an amenable number.

142545241 is a deficient number, since it is larger than the sum of its proper divisors (1).

142545241 is an equidigital number, since it uses as much as digits as its factorization.

142545241 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6400, while the sum is 28.

The square root of 142545241 is about 11939.2311729022. The cubic root of 142545241 is about 522.3772332770.

The spelling of 142545241 in words is "one hundred forty-two million, five hundred forty-five thousand, two hundred forty-one".