Base | Representation |
---|---|
bin | 10001010010110… |
… | …00100000010101 |
3 | 101002222010011000 |
4 | 20221120200111 |
5 | 244114103010 |
6 | 22221133513 |
7 | 3411016650 |
oct | 1051304025 |
9 | 332863130 |
10 | 145066005 |
11 | 74982267 |
12 | 406ba299 |
13 | 24092196 |
14 | 153a2897 |
15 | cb077c0 |
hex | 8a58815 |
145066005 has 32 divisors (see below), whose sum is σ = 294739200. Its totient is φ = 66315456.
The previous prime is 145066001. The next prime is 145066013. The reversal of 145066005 is 500660541.
It is a happy number.
145066005 is a `hidden beast` number, since 1 + 4 + 50 + 6 + 600 + 5 = 666.
It is not a de Polignac number, because 145066005 - 22 = 145066001 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is a self number, because there is not a number n which added to its sum of digits gives 145066005.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (145066001) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 75810 + ... + 77699.
It is an arithmetic number, because the mean of its divisors is an integer number (9210600).
Almost surely, 2145066005 is an apocalyptic number.
145066005 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
It is an amenable number.
145066005 is an abundant number, since it is smaller than the sum of its proper divisors (149673195).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
145066005 is a wasteful number, since it uses less digits than its factorization.
145066005 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 153530 (or 153524 counting only the distinct ones).
The product of its (nonzero) digits is 3600, while the sum is 27.
The square root of 145066005 is about 12044.3349754148. The cubic root of 145066005 is about 525.4384908044.
The spelling of 145066005 in words is "one hundred forty-five million, sixty-six thousand, five".
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