142349329 has 2 divisors, whose sum is σ = 142349330. Its totient is φ = 142349328.

The previous prime is 142349327. The next prime is 142349341. The reversal of 142349329 is 923943241.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 71368704 + 70980625 = 8448^2 + 8425^2 .

It is a cyclic number.

It is not a de Polignac number, because 142349329 - 2¹ = 142349327 is a prime.

Together with 142349327, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (142349321) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71174664 + 71174665.

It is an arithmetic number, because the mean of its divisors is an integer number (71174665).

Almost surely, 2^142349329 is an apocalyptic number.

It is an amenable number.

142349329 is a deficient number, since it is larger than the sum of its proper divisors (1).

142349329 is an equidigital number, since it uses as much as digits as its factorization.

142349329 is an evil number, because the sum of its binary digits is even.

The product of its digits is 46656, while the sum is 37.

The square root of 142349329 is about 11931.0238035133. The cubic root of 142349329 is about 522.1378077948.

The spelling of 142349329 in words is "one hundred forty-two million, three hundred forty-nine thousand, three hundred twenty-nine".