Base | Representation |
---|---|
bin | 10001010100001… |
… | …10101011001000 |
3 | 101010022201112222 |
4 | 20222012223020 |
5 | 244141130422 |
6 | 22225153212 |
7 | 3412435202 |
oct | 1052065310 |
9 | 333281488 |
10 | 145255112 |
11 | 74aa1352 |
12 | 4078b808 |
13 | 2412a292 |
14 | 15411772 |
15 | cb43842 |
hex | 8a86ac8 |
145255112 has 16 divisors (see below), whose sum is σ = 272535900. Its totient is φ = 72578880.
The previous prime is 145255111. The next prime is 145255147. The reversal of 145255112 is 211552541.
It can be written as a sum of positive squares in 2 ways, for example, as 145106116 + 148996 = 12046^2 + 386^2 .
It is not an unprimeable number, because it can be changed into a prime (145255111) by changing a digit.
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, 8714 + ... + 19142.
Almost surely, 2145255112 is an apocalyptic number.
It is an amenable number.
145255112 is a deficient number, since it is larger than the sum of its proper divisors (127280788).
145255112 is a wasteful number, since it uses less digits than its factorization.
145255112 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 12176 (or 12172 counting only the distinct ones).
The product of its digits is 2000, while the sum is 26.
The square root of 145255112 is about 12052.1828728243. The cubic root of 145255112 is about 525.6667109426. Note that the first 3 decimals are identical.
The spelling of 145255112 in words is "one hundred forty-five million, two hundred fifty-five thousand, one hundred twelve".
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