Base | Representation |
---|---|
bin | 10001010111010… |
… | …00010111001101 |
3 | 101011002001102201 |
4 | 20223220113031 |
5 | 244241431440 |
6 | 22241521501 |
7 | 3416022601 |
oct | 1053502715 |
9 | 334061381 |
10 | 145655245 |
11 | 75244a3a |
12 | 40943291 |
13 | 2423a448 |
14 | 154b7501 |
15 | cbc219a |
hex | 8ae85cd |
145655245 has 8 divisors (see below), whose sum is σ = 175087584. Its totient is φ = 116323344.
The previous prime is 145655243. The next prime is 145655351. The reversal of 145655245 is 542556541.
145655245 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 a cyclic number.
It is not a de Polignac number, because 145655245 - 21 = 145655243 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (145655243) 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, 21879 + ... + 27748.
It is an arithmetic number, because the mean of its divisors is an integer number (21885948).
Almost surely, 2145655245 is an apocalyptic number.
It is an amenable number.
145655245 is a deficient number, since it is larger than the sum of its proper divisors (29432339).
145655245 is an equidigital number, since it uses as much as digits as its factorization.
145655245 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 50219.
The product of its digits is 120000, while the sum is 37.
The square root of 145655245 is about 12068.7714784894. The cubic root of 145655245 is about 526.1489515851.
The spelling of 145655245 in words is "one hundred forty-five million, six hundred fifty-five thousand, two hundred forty-five".
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