Base | Representation |
---|---|
bin | 10001010011011… |
… | …01100000100000 |
3 | 101010010111011012 |
4 | 20221231200200 |
5 | 244124331112 |
6 | 22223040052 |
7 | 3411525524 |
oct | 1051554040 |
9 | 333114135 |
10 | 145152032 |
11 | 74a30963 |
12 | 40740028 |
13 | 240c239c |
14 | 153c5d84 |
15 | cb23022 |
hex | 8a6d820 |
145152032 has 24 divisors (see below), whose sum is σ = 289687356. Its totient is φ = 71580672.
The previous prime is 145152023. The next prime is 145152037. The reversal of 145152032 is 230251541.
It can be written as a sum of positive squares in 2 ways, for example, as 138203536 + 6948496 = 11756^2 + 2636^2 .
It is a super-2 number, since 2×1451520322 = 42138224787458048, which contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 145151989 and 145152007.
It is not an unprimeable number, because it can be changed into a prime (145152037) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28733 + ... + 33404.
Almost surely, 2145152032 is an apocalyptic number.
It is an amenable number.
145152032 is a deficient number, since it is larger than the sum of its proper divisors (144535324).
145152032 is an equidigital number, since it uses as much as digits as its factorization.
145152032 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 62220 (or 62212 counting only the distinct ones).
The product of its (nonzero) digits is 1200, while the sum is 23.
The square root of 145152032 is about 12047.9057101224. The cubic root of 145152032 is about 525.5423354066.
The spelling of 145152032 in words is "one hundred forty-five million, one hundred fifty-two thousand, thirty-two".
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