Base | Representation |
---|---|
bin | 10001010101111… |
… | …01101111000011 |
3 | 101010202011220222 |
4 | 20222331233003 |
5 | 244220340033 |
6 | 22234053255 |
7 | 3414364550 |
oct | 1052755703 |
9 | 333664828 |
10 | 145480643 |
11 | 75135840 |
12 | 4087a22b |
13 | 241a8b29 |
14 | 1546da27 |
15 | cb8a598 |
hex | 8abdbc3 |
145480643 has 8 divisors (see below), whose sum is σ = 181378560. Its totient is φ = 113361480.
The previous prime is 145480637. The next prime is 145480691. The reversal of 145480643 is 346084541.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 145480643 - 24 = 145480627 is a prime.
It is not an unprimeable number, because it can be changed into a prime (145480693) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 944603 + ... + 944756.
It is an arithmetic number, because the mean of its divisors is an integer number (22672320).
Almost surely, 2145480643 is an apocalyptic number.
145480643 is a deficient number, since it is larger than the sum of its proper divisors (35897917).
145480643 is a wasteful number, since it uses less digits than its factorization.
145480643 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1889377.
The product of its (nonzero) digits is 46080, while the sum is 35.
The square root of 145480643 is about 12061.5356816618. The cubic root of 145480643 is about 525.9386298499.
The spelling of 145480643 in words is "one hundred forty-five million, four hundred eighty thousand, six hundred forty-three".
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