142595129 has 2 divisors, whose sum is σ = 142595130. Its totient is φ = 142595128.

The previous prime is 142595119. The next prime is 142595183. The reversal of 142595129 is 921595241.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 118810000 + 23785129 = 10900^2 + 4877^2 .

It is a cyclic number.

It is not a de Polignac number, because 142595129 - 2⁸ = 142594873 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 142595092 and 142595101.

It is not a weakly prime, because it can be changed into another prime (142595119) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71297564 + 71297565.

It is an arithmetic number, because the mean of its divisors is an integer number (71297565).

Almost surely, 2^142595129 is an apocalyptic number.

It is an amenable number.

142595129 is a deficient number, since it is larger than the sum of its proper divisors (1).

142595129 is an equidigital number, since it uses as much as digits as its factorization.

142595129 is an evil number, because the sum of its binary digits is even.

The product of its digits is 32400, while the sum is 38.

The square root of 142595129 is about 11941.3202368917. The cubic root of 142595129 is about 522.4381667173.

The spelling of 142595129 in words is "one hundred forty-two million, five hundred ninety-five thousand, one hundred twenty-nine".