Base | Representation |
---|---|
bin | 10001010001100… |
… | …00001011110111 |
3 | 101002122201121100 |
4 | 20220300023313 |
5 | 244043311410 |
6 | 22213421143 |
7 | 3406431321 |
oct | 1050601367 |
9 | 332581540 |
10 | 144900855 |
11 | 7487a180 |
12 | 4063a7b3 |
13 | 24034c68 |
14 | 1535c611 |
15 | cac38c0 |
hex | 8a302f7 |
144900855 has 48 divisors (see below), whose sum is σ = 275558400. Its totient is φ = 69854400.
The previous prime is 144900829. The next prime is 144900857. The reversal of 144900855 is 558009441.
It is not a de Polignac number, because 144900855 - 25 = 144900823 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (144900857) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 97770 + ... + 99240.
It is an arithmetic number, because the mean of its divisors is an integer number (5740800).
Almost surely, 2144900855 is an apocalyptic number.
144900855 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
144900855 is a deficient number, since it is larger than the sum of its proper divisors (130657545).
144900855 is a wasteful number, since it uses less digits than its factorization.
144900855 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1692 (or 1689 counting only the distinct ones).
The product of its (nonzero) digits is 28800, while the sum is 36.
The square root of 144900855 is about 12037.4771027820. The cubic root of 144900855 is about 525.2390204147.
The spelling of 144900855 in words is "one hundred forty-four million, nine hundred thousand, eight hundred fifty-five".
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