142508099 has 2 divisors, whose sum is σ = 142508100. Its totient is φ = 142508098.

The previous prime is 142508039. The next prime is 142508101. The reversal of 142508099 is 990805241.

It is a strong prime.

It is an emirp because it is prime and its reverse (990805241) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 142508099 - 2¹² = 142504003 is a prime.

Together with 142508101, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (142508039) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71254049 + 71254050.

It is an arithmetic number, because the mean of its divisors is an integer number (71254050).

Almost surely, 2^142508099 is an apocalyptic number.

142508099 is a deficient number, since it is larger than the sum of its proper divisors (1).

142508099 is an equidigital number, since it uses as much as digits as its factorization.

142508099 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 25920, while the sum is 38.

The square root of 142508099 is about 11937.6756112737. The cubic root of 142508099 is about 522.3318586286.

The spelling of 142508099 in words is "one hundred forty-two million, five hundred eight thousand, ninety-nine".