Base | Representation |
---|---|
bin | 10001010100000… |
… | …00111001101100 |
3 | 101010021112010021 |
4 | 20222000321230 |
5 | 244134401333 |
6 | 22224451524 |
7 | 3412306234 |
oct | 1052007154 |
9 | 333245107 |
10 | 145231468 |
11 | 74a85608 |
12 | 40779ba4 |
13 | 2411c5a5 |
14 | 15406cc4 |
15 | cb3b82d |
hex | 8a80e6c |
145231468 has 12 divisors (see below), whose sum is σ = 260065960. Its totient is φ = 70926912.
The previous prime is 145231451. The next prime is 145231469. The reversal of 145231468 is 864132541.
It is not an unprimeable number, because it can be changed into a prime (145231469) 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, 422013 + ... + 422356.
Almost surely, 2145231468 is an apocalyptic number.
It is an amenable number.
145231468 is a deficient number, since it is larger than the sum of its proper divisors (114834492).
145231468 is a wasteful number, since it uses less digits than its factorization.
145231468 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 844416 (or 844414 counting only the distinct ones).
The product of its digits is 23040, while the sum is 34.
The square root of 145231468 is about 12051.2019317577. The cubic root of 145231468 is about 525.6381874757.
The spelling of 145231468 in words is "one hundred forty-five million, two hundred thirty-one thousand, four hundred sixty-eight".
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