142340343 has 16 divisors (see below), whose sum is σ = 200592000. Its totient is φ = 89532000.

The previous prime is 142340339. The next prime is 142340377. The reversal of 142340343 is 343043241.

It is not a de Polignac number, because 142340343 - 2² = 142340339 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142340843) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9333 + ... + 19281.

It is an arithmetic number, because the mean of its divisors is an integer number (12537000).

Almost surely, 2^142340343 is an apocalyptic number.

142340343 is a deficient number, since it is larger than the sum of its proper divisors (58251657).

142340343 is a wasteful number, since it uses less digits than its factorization.

142340343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10222.

The product of its (nonzero) digits is 3456, while the sum is 24.

The square root of 142340343 is about 11930.6472163081. The cubic root of 142340343 is about 522.1268206711.

Adding to 142340343 its reverse (343043241), we get a palindrome (485383584).

The spelling of 142340343 in words is "one hundred forty-two million, three hundred forty thousand, three hundred forty-three".