Base | Representation |
---|---|
bin | 10001010011100… |
… | …10001010111111 |
3 | 101010011110100201 |
4 | 20221302022333 |
5 | 244130434020 |
6 | 22223304331 |
7 | 3411635314 |
oct | 1051621277 |
9 | 333143321 |
10 | 145171135 |
11 | 74a4424a |
12 | 4074b0a7 |
13 | 240caca5 |
14 | 153ccd0b |
15 | cb28a0a |
hex | 8a722bf |
145171135 has 8 divisors (see below), whose sum is σ = 174270096. Its totient is φ = 116093760.
The previous prime is 145171123. The next prime is 145171151. The reversal of 145171135 is 531171541.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 145171135 - 213 = 145162943 is a prime.
It is a Duffinian number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22915 + ... + 28555.
It is an arithmetic number, because the mean of its divisors is an integer number (21783762).
Almost surely, 2145171135 is an apocalyptic number.
145171135 is a deficient number, since it is larger than the sum of its proper divisors (29098961).
145171135 is an equidigital number, since it uses as much as digits as its factorization.
145171135 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 10793.
The product of its digits is 2100, while the sum is 28.
The square root of 145171135 is about 12048.6984774290. The cubic root of 145171135 is about 525.5653893837.
The spelling of 145171135 in words is "one hundred forty-five million, one hundred seventy-one thousand, one hundred thirty-five".
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