342020143 has 8 divisors (see below), whose sum is σ = 357077088. Its totient is φ = 326978784.

The previous prime is 342020141. The next prime is 342020153. The reversal of 342020143 is 341020243.

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 342020143 - 2¹ = 342020141 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 342020143.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (342020141) 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, 76321 + ... + 80677.

It is an arithmetic number, because the mean of its divisors is an integer number (44634636).

Almost surely, 2^342020143 is an apocalyptic number.

342020143 is a deficient number, since it is larger than the sum of its proper divisors (15056945).

342020143 is a wasteful number, since it uses less digits than its factorization.

342020143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7793.

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

The square root of 342020143 is about 18493.7866052358. The cubic root of 342020143 is about 699.3327948676.

Adding to 342020143 its reverse (341020243), we get a palindrome (683040386).

The spelling of 342020143 in words is "three hundred forty-two million, twenty thousand, one hundred forty-three".