Base | Representation |
---|---|
bin | 10001001100100… |
… | …01100100001101 |
3 | 101001102201101011 |
4 | 20212101210031 |
5 | 243412014044 |
6 | 22151445221 |
7 | 3401054200 |
oct | 1046214415 |
9 | 331381334 |
10 | 144251149 |
11 | 74476029 |
12 | 40386811 |
13 | 23b68313 |
14 | 1522d937 |
15 | c9e6134 |
hex | 899190d |
144251149 has 12 divisors (see below), whose sum is σ = 168001344. Its totient is φ = 123497304.
The previous prime is 144251143. The next prime is 144251203. The reversal of 144251149 is 941152441.
It is not a de Polignac number, because 144251149 - 25 = 144251117 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 144251149.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (144251143) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 68892 + ... + 70954.
It is an arithmetic number, because the mean of its divisors is an integer number (14000112).
Almost surely, 2144251149 is an apocalyptic number.
It is an amenable number.
144251149 is a deficient number, since it is larger than the sum of its proper divisors (23750195).
144251149 is a wasteful number, since it uses less digits than its factorization.
144251149 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3504 (or 3497 counting only the distinct ones).
The product of its digits is 5760, while the sum is 31.
The square root of 144251149 is about 12010.4599828649. The cubic root of 144251149 is about 524.4528224989.
It can be divided in two parts, 144251 and 149, that added together give a square (144400 = 3802).
The spelling of 144251149 in words is "one hundred forty-four million, two hundred fifty-one thousand, one hundred forty-nine".
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