Base | Representation |
---|---|
bin | 10001001111101… |
… | …01101000100111 |
3 | 101002012112121222 |
4 | 20213311220213 |
5 | 244013123111 |
6 | 22204330555 |
7 | 3404412164 |
oct | 1047655047 |
9 | 332175558 |
10 | 144661031 |
11 | 74725a79 |
12 | 40543a5b |
13 | 23c7ca58 |
14 | 152d906b |
15 | ca777db |
hex | 89f5a27 |
144661031 has 2 divisors, whose sum is σ = 144661032. Its totient is φ = 144661030.
The previous prime is 144660991. The next prime is 144661037. The reversal of 144661031 is 130166441.
It is a strong prime.
It is an emirp because it is prime and its reverse (130166441) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 144661031 - 210 = 144660007 is a prime.
It is a super-2 number, since 2×1446610312 = 41853627779965922, which contains 22 as substring.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (144661037) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72330515 + 72330516.
It is an arithmetic number, because the mean of its divisors is an integer number (72330516).
Almost surely, 2144661031 is an apocalyptic number.
144661031 is a deficient number, since it is larger than the sum of its proper divisors (1).
144661031 is an equidigital number, since it uses as much as digits as its factorization.
144661031 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 1728, while the sum is 26.
The square root of 144661031 is about 12027.5114217364. The cubic root of 144661031 is about 524.9490877311.
The spelling of 144661031 in words is "one hundred forty-four million, six hundred sixty-one thousand, thirty-one".
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