Base | Representation |
---|---|
bin | 10001010011011… |
… | …00110011010101 |
3 | 101010010100012010 |
4 | 20221230303111 |
5 | 244124233031 |
6 | 22223014433 |
7 | 3411514224 |
oct | 1051546325 |
9 | 333110163 |
10 | 145149141 |
11 | 74a29775 |
12 | 4073a419 |
13 | 240c0c87 |
14 | 153c4cbb |
15 | cb22246 |
hex | 8a6ccd5 |
145149141 has 8 divisors (see below), whose sum is σ = 193957504. Its totient is φ = 96553440.
The previous prime is 145149133. The next prime is 145149181. The reversal of 145149141 is 141941541.
145149141 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 145149141 - 23 = 145149133 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 145149099 and 145149108.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (145149181) 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, 51565 + ... + 54306.
It is an arithmetic number, because the mean of its divisors is an integer number (24244688).
Almost surely, 2145149141 is an apocalyptic number.
It is an amenable number.
145149141 is a deficient number, since it is larger than the sum of its proper divisors (48808363).
145149141 is a wasteful number, since it uses less digits than its factorization.
145149141 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 106331.
The product of its digits is 2880, while the sum is 30.
The square root of 145149141 is about 12047.7857301664. The cubic root of 145149141 is about 525.5388462995.
The spelling of 145149141 in words is "one hundred forty-five million, one hundred forty-nine thousand, one hundred forty-one".
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