144278142 has 8 divisors (see below), whose sum is σ = 288556296. Its totient is φ = 48092712.

The previous prime is 144278129. The next prime is 144278159. The reversal of 144278142 is 241872441.

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

144278142 is an admirable number.

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, 12023173 + ... + 12023184.

It is an arithmetic number, because the mean of its divisors is an integer number (36069537).

Almost surely, 2^144278142 is an apocalyptic number.

144278142 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

144278142 is a wasteful number, since it uses less digits than its factorization.

144278142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24046362.

The product of its digits is 14336, while the sum is 33.

The square root of 144278142 is about 12011.5836591184. The cubic root of 144278142 is about 524.4855332080.

The spelling of 144278142 in words is "one hundred forty-four million, two hundred seventy-eight thousand, one hundred forty-two".