342146243 has 4 divisors (see below), whose sum is σ = 360153960. Its totient is φ = 324138528.

The previous prime is 342146213. The next prime is 342146249. The reversal of 342146243 is 342641243.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 342146243 - 2⁶ = 342146179 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (342146249) 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, 9003830 + ... + 9003867.

It is an arithmetic number, because the mean of its divisors is an integer number (90038490).

Almost surely, 2^342146243 is an apocalyptic number.

342146243 is a deficient number, since it is larger than the sum of its proper divisors (18007717).

342146243 is a wasteful number, since it uses less digits than its factorization.

342146243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18007716.

The product of its digits is 13824, while the sum is 29.

The square root of 342146243 is about 18497.1955441899. The cubic root of 342146243 is about 699.4187303811.

Adding to 342146243 its reverse (342641243), we get a palindrome (684787486).

The spelling of 342146243 in words is "three hundred forty-two million, one hundred forty-six thousand, two hundred forty-three".