142204430 has 16 divisors (see below), whose sum is σ = 257924304. Its totient is φ = 56447040.

The previous prime is 142204421. The next prime is 142204451. The reversal of 142204430 is 34402241.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 52967 + ... + 55586.

It is an arithmetic number, because the mean of its divisors is an integer number (16120269).

Almost surely, 2^142204430 is an apocalyptic number.

142204430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

142204430 is a deficient number, since it is larger than the sum of its proper divisors (115719874).

142204430 is a wasteful number, since it uses less digits than its factorization.

142204430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108691.

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 142204430 is about 11924.9498950729. The cubic root of 142204430 is about 521.9605843121.

Adding to 142204430 its reverse (34402241), we get a palindrome (176606671).

The spelling of 142204430 in words is "one hundred forty-two million, two hundred four thousand, four hundred thirty".