144022142 has 8 divisors (see below), whose sum is σ = 235672632. Its totient is φ = 65464600.

The previous prime is 144022141. The next prime is 144022157. The reversal of 144022142 is 241220441.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144022141) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3273209 + ... + 3273252.

It is an arithmetic number, because the mean of its divisors is an integer number (29459079).

Almost surely, 2^144022142 is an apocalyptic number.

144022142 is a deficient number, since it is larger than the sum of its proper divisors (91650490).

144022142 is a wasteful number, since it uses less digits than its factorization.

144022142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6546474.

The product of its (nonzero) digits is 512, while the sum is 20.

The square root of 144022142 is about 12000.9225478711. The cubic root of 144022142 is about 524.1751424908.

Adding to 144022142 its reverse (241220441), we get a palindrome (385242583).

The spelling of 144022142 in words is "one hundred forty-four million, twenty-two thousand, one hundred forty-two".