142502329 has 2 divisors, whose sum is σ = 142502330. Its totient is φ = 142502328.

The previous prime is 142502309. The next prime is 142502341. The reversal of 142502329 is 923205241.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 139877929 + 2624400 = 11827^2 + 1620^2 .

It is a cyclic number.

It is not a de Polignac number, because 142502329 - 2⁹ = 142501817 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 142502297 and 142502306.

It is not a weakly prime, because it can be changed into another prime (142502309) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71251164 + 71251165.

It is an arithmetic number, because the mean of its divisors is an integer number (71251165).

Almost surely, 2^142502329 is an apocalyptic number.

It is an amenable number.

142502329 is a deficient number, since it is larger than the sum of its proper divisors (1).

142502329 is an equidigital number, since it uses as much as digits as its factorization.

142502329 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4320, while the sum is 28.

The square root of 142502329 is about 11937.4339369900. The cubic root of 142502329 is about 522.3248089813.

The spelling of 142502329 in words is "one hundred forty-two million, five hundred two thousand, three hundred twenty-nine".