144550663620 has 192 divisors, whose sum is σ = 452626707456. Its totient is φ = 34165393920.

The previous prime is 144550663601. The next prime is 144550663633. The reversal of 144550663620 is 26366055441.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 16654722 + ... + 16663398.

It is an arithmetic number, because the mean of its divisors is an integer number (2357430768).

Almost surely, 2^144550663620 is an apocalyptic number.

144550663620 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 144550663620, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (226313353728).

144550663620 is an abundant number, since it is smaller than the sum of its proper divisors (308076043836).

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

144550663620 is a wasteful number, since it uses less digits than its factorization.

144550663620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9330 (or 9328 counting only the distinct ones).

The product of its (nonzero) digits is 518400, while the sum is 42.

The spelling of 144550663620 in words is "one hundred forty-four billion, five hundred fifty million, six hundred sixty-three thousand, six hundred twenty".