Base | Representation |
---|---|
bin | 10000111110110… |
… | …11111010111001 |
3 | 100221001122101201 |
4 | 20133123322321 |
5 | 242432133203 |
6 | 22045214201 |
7 | 3346610026 |
oct | 1037337271 |
9 | 327048351 |
10 | 142458553 |
11 | 73461246 |
12 | 3b861361 |
13 | 2368b403 |
14 | 14cc454d |
15 | c78ee1d |
hex | 87dbeb9 |
142458553 has 2 divisors, whose sum is σ = 142458554. Its totient is φ = 142458552.
The previous prime is 142458539. The next prime is 142458557. The reversal of 142458553 is 355854241.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 110502144 + 31956409 = 10512^2 + 5653^2 .
It is an emirp because it is prime and its reverse (355854241) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 142458553 - 217 = 142327481 is a prime.
It is not a weakly prime, because it can be changed into another prime (142458557) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71229276 + 71229277.
It is an arithmetic number, because the mean of its divisors is an integer number (71229277).
Almost surely, 2142458553 is an apocalyptic number.
It is an amenable number.
142458553 is a deficient number, since it is larger than the sum of its proper divisors (1).
142458553 is an equidigital number, since it uses as much as digits as its factorization.
142458553 is an evil number, because the sum of its binary digits is even.
The product of its digits is 96000, while the sum is 37.
The square root of 142458553 is about 11935.6002362680. The cubic root of 142458553 is about 522.2713183173.
The spelling of 142458553 in words is "one hundred forty-two million, four hundred fifty-eight thousand, five hundred fifty-three".
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