Search a number
-
+
142146128 = 2467971367
BaseRepresentation
bin10000111100011…
…11101001010000
3100220110202211102
420132033221100
5242342134003
622034403532
73344136125
oct1036175120
9326422742
10142146128
1173268543
123b7305a8
13235ac147
1414c4274c
15c72c588
hex878fa50

142146128 has 40 divisors (see below), whose sum is σ = 282606912. Its totient is φ = 69239808.

The previous prime is 142146113. The next prime is 142146157. The reversal of 142146128 is 821641241.

142146128 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 142146128.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 103301 + ... + 104667.

Almost surely, 2142146128 is an apocalyptic number.

It is an amenable number.

142146128 is a deficient number, since it is larger than the sum of its proper divisors (140460784).

142146128 is a wasteful number, since it uses less digits than its factorization.

142146128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1539 (or 1533 counting only the distinct ones).

The product of its digits is 3072, while the sum is 29.

The square root of 142146128 is about 11922.5051058911. The cubic root of 142146128 is about 521.8892421705.

Adding to 142146128 its reverse (821641241), we get a palindrome (963787369).

The spelling of 142146128 in words is "one hundred forty-two million, one hundred forty-six thousand, one hundred twenty-eight".

Divisors: 1 2 4 8 16 67 97 134 194 268 388 536 776 1072 1367 1552 2734 5468 6499 10936 12998 21872 25996 51992 91589 103984 132599 183178 265198 366356 530396 732712 1060792 1465424 2121584 8884133 17768266 35536532 71073064 142146128