Search a number
-
+
142540441245 = 3256197535333
BaseRepresentation
bin1000010011000000010…
…0101000011010011101
3111121220212222122222200
42010300010220122131
54313410323104440
6145252052202113
713204166521356
oct2046004503235
9447825878880
10142540441245
11554a63aa264
1223760609339
1310597cb0a77
146c82ba8d2d
153a93c89c30
hex213012869d

142540441245 has 48 divisors (see below), whose sum is σ = 253709771952. Its totient is φ = 74004295680.

The previous prime is 142540441187. The next prime is 142540441319. The reversal of 142540441245 is 542144045241.

142540441245 is a `hidden beast` number, since 1 + 4 + 2 + 5 + 404 + 4 + 1 + 245 = 666.

It can be written as a sum of positive squares in 8 ways, for example, as 28265343129 + 114275098116 = 168123^2 + 338046^2 .

It is not a de Polignac number, because 142540441245 - 27 = 142540441117 is a prime.

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, 1402 + ... + 533931.

It is an arithmetic number, because the mean of its divisors is an integer number (5285620249).

Almost surely, 2142540441245 is an apocalyptic number.

142540441245 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

142540441245 is a deficient number, since it is larger than the sum of its proper divisors (111169330707).

142540441245 is a wasteful number, since it uses less digits than its factorization.

142540441245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 535502 (or 535499 counting only the distinct ones).

The product of its (nonzero) digits is 102400, while the sum is 36.

Adding to 142540441245 its reverse (542144045241), we get a palindrome (684684486486).

The spelling of 142540441245 in words is "one hundred forty-two billion, five hundred forty million, four hundred forty-one thousand, two hundred forty-five".

Divisors: 1 3 5 9 15 45 61 97 183 291 305 485 549 873 915 1455 2745 4365 5917 17751 29585 53253 88755 266265 535333 1605999 2676665 4817997 8029995 24089985 32655313 51927301 97965939 155781903 163276565 259636505 293897817 467345709 489829695 778909515 1469489085 2336728545 3167565361 9502696083 15837826805 28508088249 47513480415 142540441245