144231142 has 8 divisors (see below), whose sum is σ = 236014632. Its totient is φ = 65559600.

The previous prime is 144231119. The next prime is 144231151. The reversal of 144231142 is 241132441.

It is a happy number.

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: 6555961 = 144231142 / (1 + 4 + 4 + 2 + 3 + 1 + 1 + 4 + 2).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3277959 + ... + 3278002.

It is an arithmetic number, because the mean of its divisors is an integer number (29501829).

Almost surely, 2^144231142 is an apocalyptic number.

144231142 is a deficient number, since it is larger than the sum of its proper divisors (91783490).

144231142 is a wasteful number, since it uses less digits than its factorization.

144231142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6555974.

The product of its digits is 768, while the sum is 22.

The square root of 144231142 is about 12009.6270549922. The cubic root of 144231142 is about 524.4285749445.

Adding to 144231142 its reverse (241132441), we get a palindrome (385363583).

The spelling of 144231142 in words is "one hundred forty-four million, two hundred thirty-one thousand, one hundred forty-two".