Base | Representation |
---|---|
bin | 10001010011010… |
… | …11011011011100 |
3 | 101010010001110210 |
4 | 20221223123130 |
5 | 244124043031 |
6 | 22222532420 |
7 | 3411461640 |
oct | 1051533334 |
9 | 333101423 |
10 | 145143516 |
11 | 74a25521 |
12 | 40737110 |
13 | 240bb54b |
14 | 153c2c20 |
15 | cb20746 |
hex | 8a6b6dc |
145143516 has 48 divisors (see below), whose sum is σ = 388236800. Its totient is φ = 41342400.
The previous prime is 145143469. The next prime is 145143571. The reversal of 145143516 is 615341541.
It is a happy number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26841 + ... + 31791.
Almost surely, 2145143516 is an apocalyptic number.
It is an amenable number.
145143516 is an abundant number, since it is smaller than the sum of its proper divisors (243093284).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
145143516 is a wasteful number, since it uses less digits than its factorization.
145143516 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5314 (or 5312 counting only the distinct ones).
The product of its digits is 7200, while the sum is 30.
The square root of 145143516 is about 12047.5522825178. The cubic root of 145143516 is about 525.5320574335.
The spelling of 145143516 in words is "one hundred forty-five million, one hundred forty-three thousand, five hundred sixteen".
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