Base | Representation |
---|---|
bin | 10001010011011… |
… | …10010010111111 |
3 | 101010010122120212 |
4 | 20221232102333 |
5 | 244124432023 |
6 | 22223103035 |
7 | 3411541121 |
oct | 1051562277 |
9 | 333118525 |
10 | 145155263 |
11 | 74a33330 |
12 | 40741a7b |
13 | 240c39b6 |
14 | 153c7211 |
15 | cb23e78 |
hex | 8a6e4bf |
145155263 has 8 divisors (see below), whose sum is σ = 158553936. Its totient is φ = 131790400.
The previous prime is 145155259. The next prime is 145155271. The reversal of 145155263 is 362551541.
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 145155263 - 22 = 145155259 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 (145155203) 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, 995 + ... + 17067.
It is an arithmetic number, because the mean of its divisors is an integer number (19819242).
Almost surely, 2145155263 is an apocalyptic number.
145155263 is a deficient number, since it is larger than the sum of its proper divisors (13398673).
145155263 is a wasteful number, since it uses less digits than its factorization.
145155263 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 16905.
The product of its digits is 18000, while the sum is 32.
The square root of 145155263 is about 12048.0397990711. The cubic root of 145155263 is about 525.5462348002.
The spelling of 145155263 in words is "one hundred forty-five million, one hundred fifty-five thousand, two hundred sixty-three".
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