144020688 has 40 divisors (see below), whose sum is σ = 425204928. Its totient is φ = 41148672.

The previous prime is 144020671. The next prime is 144020689. The reversal of 144020688 is 886020441.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144020689) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 213981 + ... + 214652.

Almost surely, 2^144020688 is an apocalyptic number.

It is an amenable number.

144020688 is an abundant number, since it is smaller than the sum of its proper divisors (281184240).

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

144020688 is a wasteful number, since it uses less digits than its factorization.

144020688 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 428651 (or 428645 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 33.

The square root of 144020688 is about 12000.8619690421. The cubic root of 144020688 is about 524.1733785185.

The spelling of 144020688 in words is "one hundred forty-four million, twenty thousand, six hundred eighty-eight".