144554220720 has 960 divisors, whose sum is σ = 633926092800. Its totient is φ = 28665446400.

The previous prime is 144554220719. The next prime is 144554220757. The reversal of 144554220720 is 27022455441.

144554220720 is a `hidden beast` number, since 1 + 4 + 45 + 542 + 2 + 0 + 72 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 187976496 + ... + 187977264.

It is an arithmetic number, because the mean of its divisors is an integer number (660339680).

Almost surely, 2^144554220720 is an apocalyptic number.

144554220720 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 144554220720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (316963046400).

144554220720 is an abundant number, since it is smaller than the sum of its proper divisors (489371872080).

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

144554220720 is a wasteful number, since it uses less digits than its factorization.

144554220720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 978 (or 969 counting only the distinct ones).

The product of its (nonzero) digits is 89600, while the sum is 36.

The spelling of 144554220720 in words is "one hundred forty-four billion, five hundred fifty-four million, two hundred twenty thousand, seven hundred twenty".