142650299 has 4 divisors (see below), whose sum is σ = 155618520. Its totient is φ = 129682080.

The previous prime is 142650293. The next prime is 142650323. The reversal of 142650299 is 992056241.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 992056241 = 11 ⋅90186931.

It is a de Polignac number, because none of the positive numbers 2^k-142650299 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (142650293) 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 in 3 ways as a sum of consecutive naturals, for example, 6484094 + ... + 6484115.

It is an arithmetic number, because the mean of its divisors is an integer number (38904630).

Almost surely, 2^142650299 is an apocalyptic number.

142650299 is a deficient number, since it is larger than the sum of its proper divisors (12968221).

142650299 is a wasteful number, since it uses less digits than its factorization.

142650299 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12968220.

The product of its (nonzero) digits is 38880, while the sum is 38.

The square root of 142650299 is about 11943.6300595757. The cubic root of 142650299 is about 522.5055350711.

The spelling of 142650299 in words is "one hundred forty-two million, six hundred fifty thousand, two hundred ninety-nine".