142322302 has 8 divisors (see below), whose sum is σ = 220370112. Its totient is φ = 68865600.

The previous prime is 142322273. The next prime is 142322311. The reversal of 142322302 is 203223241.

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

It is a self number, because there is not a number n which added to its sum of digits gives 142322302.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1147699 + ... + 1147822.

It is an arithmetic number, because the mean of its divisors is an integer number (27546264).

Almost surely, 2^142322302 is an apocalyptic number.

142322302 is a deficient number, since it is larger than the sum of its proper divisors (78047810).

142322302 is a wasteful number, since it uses less digits than its factorization.

142322302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2295554.

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 142322302 is about 11929.8911143396. The cubic root of 142322302 is about 522.1047606616.

Adding to 142322302 its reverse (203223241), we get a palindrome (345545543).

The spelling of 142322302 in words is "one hundred forty-two million, three hundred twenty-two thousand, three hundred two".