143140322 has 8 divisors (see below), whose sum is σ = 231226716. Its totient is φ = 66064752.

The previous prime is 143140321. The next prime is 143140351. The reversal of 143140322 is 223041341.

143140322 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 138556441 + 4583881 = 11771^2 + 2141^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 143140294 and 143140303.

It is not an unprimeable number, because it can be changed into a prime (143140321) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2752673 + ... + 2752724.

Almost surely, 2^143140322 is an apocalyptic number.

143140322 is a deficient number, since it is larger than the sum of its proper divisors (88086394).

143140322 is a wasteful number, since it uses less digits than its factorization.

143140322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5505412.

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 143140322 is about 11964.1264620531. The cubic root of 143140322 is about 523.1031436117.

Adding to 143140322 its reverse (223041341), we get a palindrome (366181663).

The spelling of 143140322 in words is "one hundred forty-three million, one hundred forty thousand, three hundred twenty-two".