144430142 has 4 divisors (see below), whose sum is σ = 216645216. Its totient is φ = 72215070.

The previous prime is 144430093. The next prime is 144430151. The reversal of 144430142 is 241034441.

It is a happy number.

144430142 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36107534 + ... + 36107537.

It is an arithmetic number, because the mean of its divisors is an integer number (54161304).

Almost surely, 2^144430142 is an apocalyptic number.

144430142 is a deficient number, since it is larger than the sum of its proper divisors (72215074).

144430142 is an equidigital number, since it uses as much as digits as its factorization.

144430142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72215073.

The product of its (nonzero) digits is 1536, while the sum is 23.

The square root of 144430142 is about 12017.9092191612. The cubic root of 144430142 is about 524.6696540090.

Adding to 144430142 its reverse (241034441), we get a palindrome (385464583).

The spelling of 144430142 in words is "one hundred forty-four million, four hundred thirty thousand, one hundred forty-two".