142299529 has 2 divisors, whose sum is σ = 142299530. Its totient is φ = 142299528.

The previous prime is 142299473. The next prime is 142299533. The reversal of 142299529 is 925992241.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 82391929 + 59907600 = 9077^2 + 7740^2 .

It is a cyclic number.

It is not a de Polignac number, because 142299529 - 2¹⁹ = 141775241 is a prime.

It is not a weakly prime, because it can be changed into another prime (142299539) 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, 71149764 + 71149765.

It is an arithmetic number, because the mean of its divisors is an integer number (71149765).

Almost surely, 2^142299529 is an apocalyptic number.

It is an amenable number.

142299529 is a deficient number, since it is larger than the sum of its proper divisors (1).

142299529 is an equidigital number, since it uses as much as digits as its factorization.

142299529 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 116640, while the sum is 43.

The square root of 142299529 is about 11928.9366248631. The cubic root of 142299529 is about 522.0769118382.

The spelling of 142299529 in words is "one hundred forty-two million, two hundred ninety-nine thousand, five hundred twenty-nine".