142024117 has 2 divisors, whose sum is σ = 142024118. Its totient is φ = 142024116.

The previous prime is 142024097. The next prime is 142024147. The reversal of 142024117 is 711420241.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 87721956 + 54302161 = 9366^2 + 7369^2 .

It is a cyclic number.

It is not a de Polignac number, because 142024117 - 2¹⁵ = 141991349 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (142024147) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71012058 + 71012059.

It is an arithmetic number, because the mean of its divisors is an integer number (71012059).

Almost surely, 2^142024117 is an apocalyptic number.

It is an amenable number.

142024117 is a deficient number, since it is larger than the sum of its proper divisors (1).

142024117 is an equidigital number, since it uses as much as digits as its factorization.

142024117 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 448, while the sum is 22.

The square root of 142024117 is about 11917.3871716916. The cubic root of 142024117 is about 521.7398783744.

Adding to 142024117 its reverse (711420241), we get a palindrome (853444358).

The spelling of 142024117 in words is "one hundred forty-two million, twenty-four thousand, one hundred seventeen".