Base | Representation |
---|---|
bin | 10000111111100… |
… | …01000011111111 |
3 | 100221020001012001 |
4 | 20133301003333 |
5 | 242442421101 |
6 | 22051123131 |
7 | 3350420350 |
oct | 1037610377 |
9 | 327201161 |
10 | 142545151 |
11 | 73510311 |
12 | 3b8a34a7 |
13 | 236bb958 |
14 | 14d07d27 |
15 | c7aa901 |
hex | 87f10ff |
142545151 has 16 divisors (see below), whose sum is σ = 169021440. Its totient is φ = 117673920.
The previous prime is 142545133. The next prime is 142545197. The reversal of 142545151 is 151545241.
It is not a de Polignac number, because 142545151 - 27 = 142545023 is a prime.
It is a super-2 number, since 2×1425451512 = 40638240147225602, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (142545101) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19530 + ... + 25816.
It is an arithmetic number, because the mean of its divisors is an integer number (10563840).
Almost surely, 2142545151 is an apocalyptic number.
142545151 is a deficient number, since it is larger than the sum of its proper divisors (26476289).
142545151 is an equidigital number, since it uses as much as digits as its factorization.
142545151 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6414.
The product of its digits is 4000, while the sum is 28.
The square root of 142545151 is about 11939.2274038147. The cubic root of 142545151 is about 522.3771233378.
The spelling of 142545151 in words is "one hundred forty-two million, five hundred forty-five thousand, one hundred fifty-one".
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