144289938 has 32 divisors (see below), whose sum is σ = 311262336. Its totient is φ = 44327808.

The previous prime is 144289909. The next prime is 144289997. The reversal of 144289938 is 839982441.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 74470 + ... + 76382.

It is an arithmetic number, because the mean of its divisors is an integer number (9726948).

Almost surely, 2^144289938 is an apocalyptic number.

144289938 is an abundant number, since it is smaller than the sum of its proper divisors (166972398).

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

144289938 is a wasteful number, since it uses less digits than its factorization.

144289938 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2898.

The product of its digits is 497664, while the sum is 48.

The square root of 144289938 is about 12012.0746750926. The cubic root of 144289938 is about 524.4998265783.

The spelling of 144289938 in words is "one hundred forty-four million, two hundred eighty-nine thousand, nine hundred thirty-eight".