Base | Representation |
---|---|
bin | 10001010011001… |
… | …01101001101011 |
3 | 101010001212000022 |
4 | 20221211221223 |
5 | 244122313401 |
6 | 22222231055 |
7 | 3411332642 |
oct | 1051455153 |
9 | 333055008 |
10 | 145119851 |
11 | 74a09768 |
12 | 4072548b |
13 | 240b0846 |
14 | 153b8359 |
15 | cb1871b |
hex | 8a65a6b |
145119851 has 4 divisors (see below), whose sum is σ = 145659600. Its totient is φ = 144580104.
The previous prime is 145119847. The next prime is 145119859. The reversal of 145119851 is 158911541.
145119851 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 158911541 = 2441 ⋅65101.
It is a cyclic number.
It is not a de Polignac number, because 145119851 - 22 = 145119847 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (145119859) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 269471 + ... + 270008.
It is an arithmetic number, because the mean of its divisors is an integer number (36414900).
Almost surely, 2145119851 is an apocalyptic number.
145119851 is a deficient number, since it is larger than the sum of its proper divisors (539749).
145119851 is an equidigital number, since it uses as much as digits as its factorization.
145119851 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 539748.
The product of its digits is 7200, while the sum is 35.
The square root of 145119851 is about 12046.5700927691. The cubic root of 145119851 is about 525.5034939986.
The spelling of 145119851 in words is "one hundred forty-five million, one hundred nineteen thousand, eight hundred fifty-one".
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