Base | Representation |
---|---|
bin | 10001010100010… |
… | …00111101110101 |
3 | 101010100012102201 |
4 | 20222020331311 |
5 | 244141431001 |
6 | 22225304501 |
7 | 3412504444 |
oct | 1052107565 |
9 | 333305381 |
10 | 145264501 |
11 | 74aa8408 |
12 | 40795131 |
13 | 24131635 |
14 | 15414d5b |
15 | cb46501 |
hex | 8a88f75 |
145264501 has 2 divisors, whose sum is σ = 145264502. Its totient is φ = 145264500.
The previous prime is 145264499. The next prime is 145264529. The reversal of 145264501 is 105462541.
145264501 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is an a-pointer prime, because the next prime (145264529) can be obtained adding 145264501 to its sum of digits (28).
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 145202500 + 62001 = 12050^2 + 249^2 .
It is an emirp because it is prime and its reverse (105462541) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 145264501 - 21 = 145264499 is a prime.
It is a super-2 number, since 2×1452645012 = 42203550501558002, which contains 22 as substring.
Together with 145264499, it forms a pair of twin primes.
It is a Chen prime.
It is equal to p8192620 and since 145264501 and 8192620 have the same sum of digits, it is a Honaker prime.
It is a self number, because there is not a number n which added to its sum of digits gives 145264501.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (145264531) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72632250 + 72632251.
It is an arithmetic number, because the mean of its divisors is an integer number (72632251).
Almost surely, 2145264501 is an apocalyptic number.
It is an amenable number.
145264501 is a deficient number, since it is larger than the sum of its proper divisors (1).
145264501 is an equidigital number, since it uses as much as digits as its factorization.
145264501 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 4800, while the sum is 28.
The square root of 145264501 is about 12052.5723810314. The cubic root of 145264501 is about 525.6780367136.
The spelling of 145264501 in words is "one hundred forty-five million, two hundred sixty-four thousand, five hundred one".
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