342212143 has 16 divisors (see below), whose sum is σ = 423786496. Its totient is φ = 269088480.

The previous prime is 342212137. The next prime is 342212161. The reversal of 342212143 is 341212243.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-342212143 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (342212113) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 3298 + ... + 26368.

It is an arithmetic number, because the mean of its divisors is an integer number (26486656).

Almost surely, 2^342212143 is an apocalyptic number.

342212143 is a deficient number, since it is larger than the sum of its proper divisors (81574353).

342212143 is a wasteful number, since it uses less digits than its factorization.

342212143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23254.

The product of its digits is 1152, while the sum is 22.

The square root of 342212143 is about 18498.9768095427. The cubic root of 342212143 is about 699.4636319755.

Adding to 342212143 its reverse (341212243), we get a palindrome (683424386).

The spelling of 342212143 in words is "three hundred forty-two million, two hundred twelve thousand, one hundred forty-three".