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45000144000 = 273353723647
BaseRepresentation
bin101001111010001101…
…111011010010000000
311022011010201011121000
4221322031323102000
51214130014102000
632401153132000
73152100625050
oct517215732200
9138133634530
1045000144000
11180a2454259
12887a55a000
134321c61856
14226c6a9560
15128596b000
hexa7a37b480

45000144000 has 1024 divisors, whose sum is σ = 197970739200. Its totient is φ = 9823334400.

The previous prime is 45000143971. The next prime is 45000144001. The reversal of 45000144000 is 44100054.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (45000144001) by changing a digit.

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 127 ways as a sum of consecutive naturals, for example, 69551677 + ... + 69552323.

It is an arithmetic number, because the mean of its divisors is an integer number (193330800).

Almost surely, 245000144000 is an apocalyptic number.

45000144000 is a gapful number since it is divisible by the number (40) 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 45000144000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (98985369600).

45000144000 is an abundant number, since it is smaller than the sum of its proper divisors (152970595200).

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

45000144000 is a wasteful number, since it uses less digits than its factorization.

45000144000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 715 (or 687 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 18.

Adding to 45000144000 its reverse (44100054), we get a palindrome (45044244054).

The spelling of 45000144000 in words is "forty-five billion, one hundred forty-four thousand".