142646343 has 16 divisors (see below), whose sum is σ = 217582080. Its totient is φ = 81431136.

The previous prime is 142646327. The next prime is 142646377. The reversal of 142646343 is 343646241.

It is not a de Polignac number, because 142646343 - 2⁴ = 142646327 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142646323) 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, 23046 + ... + 28572.

It is an arithmetic number, because the mean of its divisors is an integer number (13598880).

Almost surely, 2^142646343 is an apocalyptic number.

142646343 is a deficient number, since it is larger than the sum of its proper divisors (74935737).

142646343 is a wasteful number, since it uses less digits than its factorization.

142646343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6766.

The product of its digits is 41472, while the sum is 33.

The square root of 142646343 is about 11943.4644471359. The cubic root of 142646343 is about 522.5007049585.

The spelling of 142646343 in words is "one hundred forty-two million, six hundred forty-six thousand, three hundred forty-three".