144330142 has 8 divisors (see below), whose sum is σ = 236176632. Its totient is φ = 65604600.

The previous prime is 144330133. The next prime is 144330161. The reversal of 144330142 is 241033441.

144330142 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Harshad number since it is a multiple of its sum of digits (22), and also a Moran number because the ratio is a prime number: 6560461 = 144330142 / (1 + 4 + 4 + 3 + 3 + 0 + 1 + 4 + 2).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3280209 + ... + 3280252.

It is an arithmetic number, because the mean of its divisors is an integer number (29522079).

Almost surely, 2^144330142 is an apocalyptic number.

144330142 is a deficient number, since it is larger than the sum of its proper divisors (91846490).

144330142 is a wasteful number, since it uses less digits than its factorization.

144330142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6560474.

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

The square root of 144330142 is about 12013.7480413067. The cubic root of 144330142 is about 524.5485364494.

Adding to 144330142 its reverse (241033441), we get a palindrome (385363583).

The spelling of 144330142 in words is "one hundred forty-four million, three hundred thirty thousand, one hundred forty-two".