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142445444255 = 5192365192423
BaseRepresentation
bin1000010010101001101…
…0001111110010011111
3111121200021020022121122
42010222122033302133
54313212013204010
6145234420121155
713201634204252
oct2045232176237
9447607208548
10142445444255
1155457815654
12237348361bb
13105813cc52a
146c7431b099
153a8a772855
hex212a68fc9f

142445444255 has 16 divisors (see below), whose sum is σ = 187754181120. Its totient is φ = 103264796448.

The previous prime is 142445444221. The next prime is 142445444341. The reversal of 142445444255 is 552444544241.

It is a cyclic number.

It is not a de Polignac number, because 142445444255 - 26 = 142445444191 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32594027 + ... + 32598396.

It is an arithmetic number, because the mean of its divisors is an integer number (11734636320).

Almost surely, 2142445444255 is an apocalyptic number.

142445444255 is a deficient number, since it is larger than the sum of its proper divisors (45308736865).

142445444255 is a wasteful number, since it uses less digits than its factorization.

142445444255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65192470.

The product of its digits is 2048000, while the sum is 44.

Adding to 142445444255 its reverse (552444544241), we get a palindrome (694889988496).

The spelling of 142445444255 in words is "one hundred forty-two billion, four hundred forty-five million, four hundred forty-four thousand, two hundred fifty-five".

Divisors: 1 5 19 23 95 115 437 2185 65192423 325962115 1238656037 1499425729 6193280185 7497128645 28489088851 142445444255