Base | Representation |
---|---|
bin | 10001001011101… |
… | …11001010010101 |
3 | 101001020020000112 |
4 | 20211313022111 |
5 | 243400033442 |
6 | 22145252405 |
7 | 3400123655 |
oct | 1045671225 |
9 | 331206015 |
10 | 144142997 |
11 | 74401849 |
12 | 40334105 |
13 | 23b2b01b |
14 | 15202365 |
15 | c9c4082 |
hex | 8977295 |
144142997 has 2 divisors, whose sum is σ = 144142998. Its totient is φ = 144142996.
The previous prime is 144142991. The next prime is 144143033. The reversal of 144142997 is 799241441.
144142997 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 86974276 + 57168721 = 9326^2 + 7561^2 .
It is a cyclic number.
It is not a de Polignac number, because 144142997 - 28 = 144142741 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (144142991) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72071498 + 72071499.
It is an arithmetic number, because the mean of its divisors is an integer number (72071499).
Almost surely, 2144142997 is an apocalyptic number.
It is an amenable number.
144142997 is a deficient number, since it is larger than the sum of its proper divisors (1).
144142997 is an equidigital number, since it uses as much as digits as its factorization.
144142997 is an evil number, because the sum of its binary digits is even.
The product of its digits is 72576, while the sum is 41.
The square root of 144142997 is about 12005.9567298904. The cubic root of 144142997 is about 524.3217205900.
The spelling of 144142997 in words is "one hundred forty-four million, one hundred forty-two thousand, nine hundred ninety-seven".
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