Base | Representation |
---|---|
bin | 1000011100001011111… |
… | …1011110011100100110 |
3 | 111212021200010112000222 |
4 | 2013002333132130212 |
5 | 4333432331343304 |
6 | 150340423404342 |
7 | 13322240025422 |
oct | 2070277363446 |
9 | 455250115028 |
10 | 145005340454 |
11 | 56550809547 |
12 | 24129bb36b2 |
13 | 1089b870600 |
14 | 70382bdb82 |
15 | 3b8a3804be |
hex | 21c2fde726 |
145005340454 has 48 divisors (see below), whose sum is σ = 238032082080. Its totient is φ = 66216833280.
The previous prime is 145005340451. The next prime is 145005340549. The reversal of 145005340454 is 454043500541.
145005340454 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It is a super-2 number, since 2×1450053404542 (a number of 23 digits) contains 22 as substring.
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (145005340451) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 14396132 + ... + 14406200.
It is an arithmetic number, because the mean of its divisors is an integer number (4959001710).
Almost surely, 2145005340454 is an apocalyptic number.
145005340454 is a deficient number, since it is larger than the sum of its proper divisors (93026741626).
145005340454 is a wasteful number, since it uses less digits than its factorization.
145005340454 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 10545 (or 10532 counting only the distinct ones).
The product of its (nonzero) digits is 96000, while the sum is 35.
Adding to 145005340454 its reverse (454043500541), we get a palindrome (599048840995).
The spelling of 145005340454 in words is "one hundred forty-five billion, five million, three hundred forty thousand, four hundred fifty-four".
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