144140284 has 12 divisors (see below), whose sum is σ = 257005224. Its totient is φ = 70710224.

The previous prime is 144140281. The next prime is 144140299. The reversal of 144140284 is 482041441.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144140281) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 339742 + ... + 340165.

It is an arithmetic number, because the mean of its divisors is an integer number (21417102).

Almost surely, 2^144140284 is an apocalyptic number.

It is an amenable number.

144140284 is a deficient number, since it is larger than the sum of its proper divisors (112864940).

144140284 is a wasteful number, since it uses less digits than its factorization.

144140284 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 679964 (or 679962 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 28.

The square root of 144140284 is about 12005.8437437774. The cubic root of 144140284 is about 524.3184310471.

The spelling of 144140284 in words is "one hundred forty-four million, one hundred forty thousand, two hundred eighty-four".