144243988 has 24 divisors (see below), whose sum is σ = 288825152. Its totient is φ = 61746624.

The previous prime is 144243959. The next prime is 144244003. The reversal of 144243988 is 889342441.

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 7 ways as a sum of consecutive naturals, for example, 26431 + ... + 31417.

Almost surely, 2^144243988 is an apocalyptic number.

It is an amenable number.

144243988 is an abundant number, since it is smaller than the sum of its proper divisors (144581164).

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

144243988 is a wasteful number, since it uses less digits than its factorization.

144243988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6031 (or 6029 counting only the distinct ones).

The product of its digits is 221184, while the sum is 43.

The square root of 144243988 is about 12010.1618640217. The cubic root of 144243988 is about 524.4441439572. Note that the first 3 decimals are identical.

The spelling of 144243988 in words is "one hundred forty-four million, two hundred forty-three thousand, nine hundred eighty-eight".