Base | Representation |
---|---|
bin | 10001010011011… |
… | …11000101001000 |
3 | 101010010210222201 |
4 | 20221233011020 |
5 | 244130032342 |
6 | 22223125544 |
7 | 3411553354 |
oct | 1051570510 |
9 | 333123881 |
10 | 145158472 |
11 | 74a35788 |
12 | 407438b4 |
13 | 240c52b4 |
14 | 153c8464 |
15 | cb24db7 |
hex | 8a6f148 |
145158472 has 16 divisors (see below), whose sum is σ = 273600000. Its totient is φ = 72198480.
The previous prime is 145158469. The next prime is 145158479. The reversal of 145158472 is 274851541.
It is not an unprimeable number, because it can be changed into a prime (145158479) 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, 45972 + ... + 49027.
It is an arithmetic number, because the mean of its divisors is an integer number (17100000).
Almost surely, 2145158472 is an apocalyptic number.
It is an amenable number.
145158472 is a deficient number, since it is larger than the sum of its proper divisors (128441528).
145158472 is a wasteful number, since it uses less digits than its factorization.
145158472 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 95196 (or 95192 counting only the distinct ones).
The product of its digits is 44800, while the sum is 37.
The square root of 145158472 is about 12048.1729735259. The cubic root of 145158472 is about 525.5501075853.
The spelling of 145158472 in words is "one hundred forty-five million, one hundred fifty-eight thousand, four hundred seventy-two".
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