142143313 has 8 divisors (see below), whose sum is σ = 161134400. Its totient is φ = 124303248.

The previous prime is 142143293. The next prime is 142143317. The reversal of 142143313 is 313341241.

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

It is a cyclic number.

It is not a de Polignac number, because 142143313 - 2⁹ = 142142801 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (142143317) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 287493 + ... + 287986.

It is an arithmetic number, because the mean of its divisors is an integer number (20141800).

Almost surely, 2^142143313 is an apocalyptic number.

142143313 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

142143313 is a deficient number, since it is larger than the sum of its proper divisors (18991087).

142143313 is a wasteful number, since it uses less digits than its factorization.

142143313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 575511.

The product of its digits is 864, while the sum is 22.

The square root of 142143313 is about 11922.3870512578. The cubic root of 142143313 is about 521.8857970587.

Adding to 142143313 its reverse (313341241), we get a palindrome (455484554).

The spelling of 142143313 in words is "one hundred forty-two million, one hundred forty-three thousand, three hundred thirteen".