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144040004202445 = 5136421345117593
BaseRepresentation
bin100000110000000011101101…
…010010001010111111001101
3200220000002102112220021200221
4200300003231102022333031
5122334422412033434240
61230203021525551341
742224355403305061
oct4060035522127715
9626002375807627
10144040004202445
114199402829124a
12141a3b01b75551
13624abb6400430
14277d8055adaa1
15119bc2750da4a
hex8300ed48afcd

144040004202445 has 16 divisors (see below), whose sum is σ = 186172995848112. Its totient is φ = 106351437150720.

The previous prime is 144040004202443. The next prime is 144040004202481. The reversal of 144040004202445 is 544202400040441.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 22878514356201 + 121161489846244 = 4783149^2 + 11007338^2 .

It is not a de Polignac number, because 144040004202445 - 21 = 144040004202443 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 144040004202445.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144040004202443) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 172141432 + ... + 172976161.

It is an arithmetic number, because the mean of its divisors is an integer number (11635812240507).

Almost surely, 2144040004202445 is an apocalyptic number.

It is an amenable number.

144040004202445 is a deficient number, since it is larger than the sum of its proper divisors (42132991645667).

144040004202445 is a wasteful number, since it uses less digits than its factorization.

144040004202445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 345124032.

The product of its (nonzero) digits is 81920, while the sum is 34.

Adding to 144040004202445 its reverse (544202400040441), we get a palindrome (688242404242886).

The spelling of 144040004202445 in words is "one hundred forty-four trillion, forty billion, four million, two hundred two thousand, four hundred forty-five".

Divisors: 1 5 13 65 6421 32105 83473 417365 345117593 1725587965 4486528709 22432643545 2216000064653 11080000323265 28808000840489 144040004202445