Base | Representation |
---|---|
bin | 10000111011101… |
… | …00110010110001 |
3 | 100220021011221222 |
4 | 20131310302301 |
5 | 242330124040 |
6 | 22032154425 |
7 | 3343200356 |
oct | 1035646261 |
9 | 326234858 |
10 | 142036145 |
11 | 731a2949 |
12 | 3b698a15 |
13 | 23571074 |
14 | 14c1462d |
15 | c709bb5 |
hex | 8774cb1 |
142036145 has 8 divisors (see below), whose sum is σ = 171026856. Its totient is φ = 113239936.
The previous prime is 142036117. The next prime is 142036159. The reversal of 142036145 is 541630241.
142036145 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It can be written as a sum of positive squares in 4 ways, for example, as 76247824 + 65788321 = 8732^2 + 8111^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 142036145 - 220 = 140987569 is a prime.
It is a super-2 number, since 2×1420361452 = 40348532972922050, which contains 22 as substring.
It is a Duffinian number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 47012 + ... + 49941.
It is an arithmetic number, because the mean of its divisors is an integer number (21378357).
Almost surely, 2142036145 is an apocalyptic number.
It is an amenable number.
142036145 is a deficient number, since it is larger than the sum of its proper divisors (28990711).
142036145 is an equidigital number, since it uses as much as digits as its factorization.
142036145 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 97251.
The product of its (nonzero) digits is 2880, while the sum is 26.
The square root of 142036145 is about 11917.8918018247. The cubic root of 142036145 is about 521.7546066479.
Adding to 142036145 its reverse (541630241), we get a palindrome (683666386).
The spelling of 142036145 in words is "one hundred forty-two million, thirty-six thousand, one hundred forty-five".
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