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144442214424144 = 243271350232194457
BaseRepresentation
bin100000110101111010010010…
…111000011001111001010000
3200221102112121021101112212200
4200311322102320121321100
5122413020123343033034
61231111500502523200
742265414503630120
oct4065722270317120
9627375537345780
10144442214424144
114202966549494a
1214249a51436500
136279ac490b860
14279507d110c80
1511a7417e92a99
hex835e92e19e50

144442214424144 has 240 divisors, whose sum is σ = 497622458790912. Its totient is φ = 38087048558592.

The previous prime is 144442214424139. The next prime is 144442214424169. The reversal of 144442214424144 is 441424412244441.

144442214424144 is a `hidden beast` number, since 1 + 4 + 4 + 4 + 4 + 2 + 214 + 424 + 1 + 4 + 4 = 666.

It is a nude number because it is divisible by every one of its digits.

It is a self number, because there is not a number n which added to its sum of digits gives 144442214424144.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 64724164 + ... + 66918620.

Almost surely, 2144442214424144 is an apocalyptic number.

144442214424144 is a gapful number since it is divisible by the number (14) 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 144442214424144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (248811229395456).

144442214424144 is an abundant number, since it is smaller than the sum of its proper divisors (353180244366768).

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

144442214424144 is a wasteful number, since it uses less digits than its factorization.

144442214424144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2199514 (or 2199505 counting only the distinct ones).

The product of its digits is 2097152, while the sum is 45.

Adding to 144442214424144 its reverse (441424412244441), we get a palindrome (585866626668585).

The spelling of 144442214424144 in words is "one hundred forty-four trillion, four hundred forty-two billion, two hundred fourteen million, four hundred twenty-four thousand, one hundred forty-four".