142034143 has 4 divisors (see below), whose sum is σ = 142228648. Its totient is φ = 141839640.

The previous prime is 142034119. The next prime is 142034149. The reversal of 142034143 is 341430241.

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 142034143 - 2⁵ = 142034111 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 (142034149) 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, 96153 + ... + 97618.

It is an arithmetic number, because the mean of its divisors is an integer number (35557162).

Almost surely, 2^142034143 is an apocalyptic number.

142034143 is a deficient number, since it is larger than the sum of its proper divisors (194505).

142034143 is an equidigital number, since it uses as much as digits as its factorization.

142034143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 194504.

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 142034143 is about 11917.8078101637. The cubic root of 142034143 is about 521.7521552587.

Adding to 142034143 its reverse (341430241), we get a palindrome (483464384).

The spelling of 142034143 in words is "one hundred forty-two million, thirty-four thousand, one hundred forty-three".