142144230 has 16 divisors (see below), whose sum is σ = 341146224. Its totient is φ = 37905120.

The previous prime is 142144199. The next prime is 142144237. The reversal of 142144230 is 32441241.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 142144197 and 142144206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142144237) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2369041 + ... + 2369100.

It is an arithmetic number, because the mean of its divisors is an integer number (21321639).

Almost surely, 2^142144230 is an apocalyptic number.

142144230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

142144230 is an abundant number, since it is smaller than the sum of its proper divisors (199001994).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

142144230 is a wasteful number, since it uses less digits than its factorization.

142144230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4738151.

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 142144230 is about 11922.4255082596. The cubic root of 142144230 is about 521.8869193257.

Adding to 142144230 its reverse (32441241), we get a palindrome (174585471).

The spelling of 142144230 in words is "one hundred forty-two million, one hundred forty-four thousand, two hundred thirty".