144556021200 has 180 divisors, whose sum is σ = 484071691040. Its totient is φ = 36872098560.

The previous prime is 144556021199. The next prime is 144556021213. The reversal of 144556021200 is 2120655441.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

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 35 ways as a sum of consecutive naturals, for example, 520941 + ... + 748659.

Almost surely, 2^144556021200 is an apocalyptic number.

144556021200 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 144556021200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (242035845520).

144556021200 is an abundant number, since it is smaller than the sum of its proper divisors (339515669840).

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

144556021200 is a wasteful number, since it uses less digits than its factorization.

144556021200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 227786 (or 227752 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 30.

Adding to 144556021200 its reverse (2120655441), we get a palindrome (146676676641).

The spelling of 144556021200 in words is "one hundred forty-four billion, five hundred fifty-six million, twenty-one thousand, two hundred".