342146143 has 2 divisors, whose sum is σ = 342146144. Its totient is φ = 342146142.

The previous prime is 342146081. The next prime is 342146179. The reversal of 342146143 is 341641243.

It is a strong prime.

It is an emirp because it is prime and its reverse (341641243) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 342146143 - 2¹³ = 342137951 is a prime.

It is equal to p_18404056 and since 342146143 and 18404056 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (342140143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 171073071 + 171073072.

It is an arithmetic number, because the mean of its divisors is an integer number (171073072).

Almost surely, 2^342146143 is an apocalyptic number.

342146143 is a deficient number, since it is larger than the sum of its proper divisors (1).

342146143 is an equidigital number, since it uses as much as digits as its factorization.

342146143 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6912, while the sum is 28.

The square root of 342146143 is about 18497.1928410773. The cubic root of 342146143 is about 699.4186622408.

Adding to 342146143 its reverse (341641243), we get a palindrome (683787386).

The spelling of 342146143 in words is "three hundred forty-two million, one hundred forty-six thousand, one hundred forty-three".