Base | Representation |
---|---|
bin | 10001010011011… |
… | …11101111000001 |
3 | 101010010221200000 |
4 | 20221233233001 |
5 | 244130124103 |
6 | 22223150213 |
7 | 3411564234 |
oct | 1051575701 |
9 | 333127600 |
10 | 145161153 |
11 | 74a377a5 |
12 | 40745369 |
13 | 240c6597 |
14 | 153c941b |
15 | cb25aa3 |
hex | 8a6fbc1 |
145161153 has 24 divisors (see below), whose sum is σ = 224952000. Its totient is φ = 93432528.
The previous prime is 145161143. The next prime is 145161161. The reversal of 145161153 is 351161541.
145161153 is a `hidden beast` number, since 1 + 45 + 1 + 611 + 5 + 3 = 666.
It is not a de Polignac number, because 145161153 - 26 = 145161089 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is not an unprimeable number, because it can be changed into a prime (145161103) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3253 + ... + 17346.
It is an arithmetic number, because the mean of its divisors is an integer number (9373000).
Almost surely, 2145161153 is an apocalyptic number.
It is an amenable number.
145161153 is a deficient number, since it is larger than the sum of its proper divisors (79790847).
145161153 is an equidigital number, since it uses as much as digits as its factorization.
145161153 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 20643 (or 20631 counting only the distinct ones).
The product of its digits is 1800, while the sum is 27.
The square root of 145161153 is about 12048.2842346950. The cubic root of 145161153 is about 525.5533431093.
The spelling of 145161153 in words is "one hundred forty-five million, one hundred sixty-one thousand, one hundred fifty-three".
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