142003241 has 2 divisors, whose sum is σ = 142003242. Its totient is φ = 142003240.

The previous prime is 142003237. The next prime is 142003249. The reversal of 142003241 is 142300241.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 113955625 + 28047616 = 10675^2 + 5296^2 .

It is a cyclic number.

It is not a de Polignac number, because 142003241 - 2² = 142003237 is a prime.

It is not a weakly prime, because it can be changed into another prime (142003249) 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, 71001620 + 71001621.

It is an arithmetic number, because the mean of its divisors is an integer number (71001621).

Almost surely, 2^142003241 is an apocalyptic number.

It is an amenable number.

142003241 is a deficient number, since it is larger than the sum of its proper divisors (1).

142003241 is an equidigital number, since it uses as much as digits as its factorization.

142003241 is an odious number, because the sum of its binary digits is odd.

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

The square root of 142003241 is about 11916.5112763762. The cubic root of 142003241 is about 521.7143137599.

Adding to 142003241 its reverse (142300241), we get a palindrome (284303482).

The spelling of 142003241 in words is "one hundred forty-two million, three thousand, two hundred forty-one".