Base | Representation |
---|---|
bin | 10001010011010… |
… | …01001001001100 |
3 | 101010002120122010 |
4 | 20221221021030 |
5 | 244123243111 |
6 | 22222421220 |
7 | 3411422436 |
oct | 1051511114 |
9 | 333076563 |
10 | 145134156 |
11 | 74a19492 |
12 | 40731810 |
13 | 240b71cb |
14 | 153bd656 |
15 | cb1caa6 |
hex | 8a6924c |
145134156 has 12 divisors (see below), whose sum is σ = 338646392. Its totient is φ = 48378048.
The previous prime is 145134133. The next prime is 145134161. The reversal of 145134156 is 651431541.
It is a happy number.
It is a tau number, because it is divible by the number of its divisors (12).
It is a hoax number, since the sum of its digits (30) coincides with the sum of the digits of its distinct prime factors.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6047245 + ... + 6047268.
Almost surely, 2145134156 is an apocalyptic number.
It is an amenable number.
145134156 is an abundant number, since it is smaller than the sum of its proper divisors (193512236).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
145134156 is a wasteful number, since it uses less digits than its factorization.
145134156 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 12094520 (or 12094518 counting only the distinct ones).
The product of its digits is 7200, while the sum is 30.
The square root of 145134156 is about 12047.1638156041. The cubic root of 145134156 is about 525.5207603717.
Adding to 145134156 its reverse (651431541), we get a palindrome (796565697).
The spelling of 145134156 in words is "one hundred forty-five million, one hundred thirty-four thousand, one hundred fifty-six".
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