Base | Representation |
---|---|
bin | 10001010011101… |
… | …00110111001000 |
3 | 101010012000110202 |
4 | 20221310313020 |
5 | 244131312102 |
6 | 22223431332 |
7 | 3412012403 |
oct | 1051646710 |
9 | 333160422 |
10 | 145182152 |
11 | 74a51555 |
12 | 40755548 |
13 | 24102ccb |
14 | 153d2d3a |
15 | cb2be02 |
hex | 8a74dc8 |
145182152 has 8 divisors (see below), whose sum is σ = 272216550. Its totient is φ = 72591072.
The previous prime is 145182151. The next prime is 145182157. The reversal of 145182152 is 251281541.
It can be written as a sum of positive squares in only one way, i.e., 73034116 + 72148036 = 8546^2 + 8494^2 .
It is a tau number, because it is divible by the number of its divisors (8).
It is a super-2 number, since 2×1451821522 = 42155714518702208, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (145182151) by changing a digit.
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 as a sum of consecutive naturals, namely, 9073877 + ... + 9073892.
Almost surely, 2145182152 is an apocalyptic number.
It is an amenable number.
145182152 is a deficient number, since it is larger than the sum of its proper divisors (127034398).
145182152 is a wasteful number, since it uses less digits than its factorization.
145182152 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 18147775 (or 18147771 counting only the distinct ones).
The product of its digits is 3200, while the sum is 29.
The square root of 145182152 is about 12049.1556550656. The cubic root of 145182152 is about 525.5786840547.
The spelling of 145182152 in words is "one hundred forty-five million, one hundred eighty-two thousand, one hundred fifty-two".
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