142434205 has 16 divisors (see below), whose sum is σ = 178827264. Its totient is φ = 108795520.

The previous prime is 142434199. The next prime is 142434209. The reversal of 142434205 is 502434241.

It is a happy number.

It is not a de Polignac number, because 142434205 - 2³ = 142434197 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 142434205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142434209) 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, 2244 + ... + 17026.

It is an arithmetic number, because the mean of its divisors is an integer number (11176704).

Almost surely, 2^142434205 is an apocalyptic number.

It is an amenable number.

142434205 is a deficient number, since it is larger than the sum of its proper divisors (36393059).

142434205 is a wasteful number, since it uses less digits than its factorization.

142434205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14876.

The product of its (nonzero) digits is 3840, while the sum is 25.

The square root of 142434205 is about 11934.5802188431. The cubic root of 142434205 is about 522.2415623255.

Adding to 142434205 its reverse (502434241), we get a palindrome (644868446).

The spelling of 142434205 in words is "one hundred forty-two million, four hundred thirty-four thousand, two hundred five".