144317142 has 12 divisors (see below), whose sum is σ = 312687180. Its totient is φ = 48105708.

The previous prime is 144317123. The next prime is 144317153. The reversal of 144317142 is 241713441.

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 5 ways as a sum of consecutive naturals, for example, 4008792 + ... + 4008827.

It is an arithmetic number, because the mean of its divisors is an integer number (26057265).

Almost surely, 2^144317142 is an apocalyptic number.

144317142 is an abundant number, since it is smaller than the sum of its proper divisors (168370038).

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

144317142 is a wasteful number, since it uses less digits than its factorization.

144317142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8017627 (or 8017624 counting only the distinct ones).

The product of its digits is 2688, while the sum is 27.

The square root of 144317142 is about 12013.2069823174. The cubic root of 144317142 is about 524.5327870579.

The spelling of 144317142 in words is "one hundred forty-four million, three hundred seventeen thousand, one hundred forty-two".