144821648 has 30 divisors (see below), whose sum is σ = 296149014. Its totient is φ = 68596992.

The previous prime is 144821627. The next prime is 144821659. The reversal of 144821648 is 846128441.

144821648 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 118113424 + 26708224 = 10868^2 + 5168^2 .

It is a Harshad number since it is a multiple of its sum of digits (38).

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 5 ways as a sum of consecutive naturals, for example, 6761 + ... + 18312.

Almost surely, 2^144821648 is an apocalyptic number.

It is an amenable number.

144821648 is an abundant number, since it is smaller than the sum of its proper divisors (151327366).

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

144821648 is a wasteful number, since it uses less digits than its factorization.

144821648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25119 (or 25094 counting only the distinct ones).

The product of its digits is 49152, while the sum is 38.

The square root of 144821648 is about 12034.1866364121. The cubic root of 144821648 is about 525.1432993559.

The spelling of 144821648 in words is "one hundred forty-four million, eight hundred twenty-one thousand, six hundred forty-eight".