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143440015345 = 5112820192479
BaseRepresentation
bin1000010110010110110…
…0001110111111110001
3111201020120200202122221
42011211230032333301
54322231120442340
6145521225201041
713235402004364
oct2054554167761
9451216622587
10143440015345
1155918170630
1223971930181
13106ac488633
146d2a4540db
153ae7c3044a
hex2165b0eff1

143440015345 has 16 divisors (see below), whose sum is σ = 187784709120. Its totient is φ = 104315184000.

The previous prime is 143440015343. The next prime is 143440015357. The reversal of 143440015345 is 543510044341.

It is not a de Polignac number, because 143440015345 - 21 = 143440015343 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 143440015345.

It is not an unprimeable number, because it can be changed into a prime (143440015343) 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, 1504816 + ... + 1597294.

It is an arithmetic number, because the mean of its divisors is an integer number (11736544320).

Almost surely, 2143440015345 is an apocalyptic number.

It is an amenable number.

143440015345 is a deficient number, since it is larger than the sum of its proper divisors (44344693775).

143440015345 is a wasteful number, since it uses less digits than its factorization.

143440015345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120696.

The product of its (nonzero) digits is 57600, while the sum is 34.

Adding to 143440015345 its reverse (543510044341), we get a palindrome (686950059686).

The spelling of 143440015345 in words is "one hundred forty-three billion, four hundred forty million, fifteen thousand, three hundred forty-five".

Divisors: 1 5 11 55 28201 92479 141005 310211 462395 1017269 1551055 5086345 2608000279 13040001395 28688003069 143440015345