142797241 has 2 divisors, whose sum is σ = 142797242. Its totient is φ = 142797240.

The previous prime is 142797203. The next prime is 142797251.

142797241 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., 141705216 + 1092025 = 11904^2 + 1045^2 .

It is a palprime.

It is a cyclic number.

It is not a de Polignac number, because 142797241 - 2⁷ = 142797113 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 142797241.

It is not a weakly prime, because it can be changed into another prime (142797251) 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, 71398620 + 71398621.

It is an arithmetic number, because the mean of its divisors is an integer number (71398621).

Almost surely, 2^142797241 is an apocalyptic number.

It is an amenable number.

142797241 is a deficient number, since it is larger than the sum of its proper divisors (1).

142797241 is an equidigital number, since it uses as much as digits as its factorization.

142797241 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 28224, while the sum is 37.

The square root of 142797241 is about 11949.7799561331. The cubic root of 142797241 is about 522.6848819571.

The spelling of 142797241 in words is "one hundred forty-two million, seven hundred ninety-seven thousand, two hundred forty-one".