142023299 has 8 divisors (see below), whose sum is σ = 155923248. Its totient is φ = 128288160.

The previous prime is 142023293. The next prime is 142023319. The reversal of 142023299 is 992320241.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 142023299 - 2¹⁶ = 141957763 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (142023293) 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 7 ways as a sum of consecutive naturals, for example, 39392 + ... + 42845.

It is an arithmetic number, because the mean of its divisors is an integer number (19490406).

Almost surely, 2^142023299 is an apocalyptic number.

142023299 is a deficient number, since it is larger than the sum of its proper divisors (13899949).

142023299 is a wasteful number, since it uses less digits than its factorization.

142023299 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82405.

The product of its (nonzero) digits is 7776, while the sum is 32.

The square root of 142023299 is about 11917.3528520389. The cubic root of 142023299 is about 521.7388767041.

The spelling of 142023299 in words is "one hundred forty-two million, twenty-three thousand, two hundred ninety-nine".