142743343 has 4 divisors (see below), whose sum is σ = 142789528. Its totient is φ = 142697160.

The previous prime is 142743329. The next prime is 142743347. The reversal of 142743343 is 343347241.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 343347241 = 359 ⋅956399.

It is a cyclic number.

It is not a de Polignac number, because 142743343 - 2⁵ = 142743311 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142743347) 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, 18096 + ... + 24757.

It is an arithmetic number, because the mean of its divisors is an integer number (35697382).

Almost surely, 2^142743343 is an apocalyptic number.

142743343 is a deficient number, since it is larger than the sum of its proper divisors (46185).

142743343 is an equidigital number, since it uses as much as digits as its factorization.

142743343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46184.

The product of its digits is 24192, while the sum is 31.

The square root of 142743343 is about 11947.5245553211. The cubic root of 142743343 is about 522.6191122109.

The spelling of 142743343 in words is "one hundred forty-two million, seven hundred forty-three thousand, three hundred forty-three".