Base | Representation |
---|---|
bin | 10001010000010… |
… | …10010100001111 |
3 | 101002100211211110 |
4 | 20220022110033 |
5 | 244023330433 |
6 | 22210223103 |
7 | 3405214152 |
oct | 1050122417 |
9 | 332324743 |
10 | 144745743 |
11 | 7478368a |
12 | 40584a93 |
13 | 23cac48c |
14 | 1531bc99 |
15 | ca92963 |
hex | 8a0a50f |
144745743 has 8 divisors (see below), whose sum is σ = 203152000. Its totient is φ = 91418328.
The previous prime is 144745729. The next prime is 144745751. The reversal of 144745743 is 347547441.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 144745743 - 221 = 142648591 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (144745753) 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 7 ways as a sum of consecutive naturals, for example, 1269643 + ... + 1269756.
It is an arithmetic number, because the mean of its divisors is an integer number (25394000).
Almost surely, 2144745743 is an apocalyptic number.
144745743 is a deficient number, since it is larger than the sum of its proper divisors (58406257).
144745743 is a wasteful number, since it uses less digits than its factorization.
144745743 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2539421.
The product of its digits is 188160, while the sum is 39.
The square root of 144745743 is about 12031.0324993327. The cubic root of 144745743 is about 525.0515359840.
The spelling of 144745743 in words is "one hundred forty-four million, seven hundred forty-five thousand, seven hundred forty-three".
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