Base | Representation |
---|---|
bin | 10001010011010… |
… | …11010010111000 |
3 | 101010010000201111 |
4 | 20221223102320 |
5 | 244124033333 |
6 | 22222530104 |
7 | 3411460225 |
oct | 1051532270 |
9 | 333100644 |
10 | 145142968 |
11 | 74a25073 |
12 | 40736934 |
13 | 240bb219 |
14 | 153c294c |
15 | cb204cd |
hex | 8a6b4b8 |
145142968 has 16 divisors (see below), whose sum is σ = 272333880. Its totient is φ = 72520608.
The previous prime is 145142953. The next prime is 145142969. The reversal of 145142968 is 869241541.
It is a self number, because there is not a number n which added to its sum of digits gives 145142968.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (145142969) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7555 + ... + 18637.
Almost surely, 2145142968 is an apocalyptic number.
It is an amenable number.
145142968 is a deficient number, since it is larger than the sum of its proper divisors (127190912).
145142968 is a wasteful number, since it uses less digits than its factorization.
145142968 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 12726 (or 12722 counting only the distinct ones).
The product of its digits is 69120, while the sum is 40.
The square root of 145142968 is about 12047.5295392873. The cubic root of 145142968 is about 525.5313960377.
The spelling of 145142968 in words is "one hundred forty-five million, one hundred forty-two thousand, nine hundred sixty-eight".
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