142302499 has 2 divisors, whose sum is σ = 142302500. Its totient is φ = 142302498.

The previous prime is 142302497. The next prime is 142302553. The reversal of 142302499 is 994203241.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 142302499 - 2¹ = 142302497 is a prime.

Together with 142302497, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (142302491) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71151249 + 71151250.

It is an arithmetic number, because the mean of its divisors is an integer number (71151250).

Almost surely, 2^142302499 is an apocalyptic number.

142302499 is a deficient number, since it is larger than the sum of its proper divisors (1).

142302499 is an equidigital number, since it uses as much as digits as its factorization.

142302499 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15552, while the sum is 34.

The square root of 142302499 is about 11929.0611114203. The cubic root of 142302499 is about 522.0805439834.

The spelling of 142302499 in words is "one hundred forty-two million, three hundred two thousand, four hundred ninety-nine".