144884489620 has 24 divisors (see below), whose sum is σ = 327661846344. Its totient is φ = 53495811456.

The previous prime is 144884489593. The next prime is 144884489621. The reversal of 144884489620 is 26984488441.

It can be written as a sum of positive squares in 4 ways, for example, as 25532204944 + 119352284676 = 159788^2 + 345474^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144884489621) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 278623759 + ... + 278624278.

It is an arithmetic number, because the mean of its divisors is an integer number (13652576931).

Almost surely, 2^144884489620 is an apocalyptic number.

144884489620 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

144884489620 is an abundant number, since it is smaller than the sum of its proper divisors (182777356724).

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

144884489620 is a wasteful number, since it uses less digits than its factorization.

144884489620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 557248059 (or 557248057 counting only the distinct ones).

The product of its (nonzero) digits is 14155776, while the sum is 58.

The spelling of 144884489620 in words is "one hundred forty-four billion, eight hundred eighty-four million, four hundred eighty-nine thousand, six hundred twenty".