Base | Representation |
---|---|
bin | 10001001011000… |
… | …01110010100011 |
3 | 101001001202221101 |
4 | 20211201302203 |
5 | 243334233314 |
6 | 22143335231 |
7 | 3366310522 |
oct | 1045416243 |
9 | 331052841 |
10 | 144055459 |
11 | 74351aa9 |
12 | 402b1517 |
13 | 23aca222 |
14 | 151bc4b9 |
15 | c9a8174 |
hex | 8961ca3 |
144055459 has 4 divisors (see below), whose sum is σ = 144079560. Its totient is φ = 144031360.
The previous prime is 144055421. The next prime is 144055469. The reversal of 144055459 is 954550441.
It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 954550441 = 13 ⋅73426957.
It is a cyclic number.
It is not a de Polignac number, because 144055459 - 29 = 144054947 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (144055409) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4419 + ... + 17539.
It is an arithmetic number, because the mean of its divisors is an integer number (36019890).
Almost surely, 2144055459 is an apocalyptic number.
144055459 is a deficient number, since it is larger than the sum of its proper divisors (24101).
144055459 is a wasteful number, since it uses less digits than its factorization.
144055459 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 24100.
The product of its (nonzero) digits is 72000, while the sum is 37.
The square root of 144055459 is about 12002.3105692196. The cubic root of 144055459 is about 524.2155589539.
The spelling of 144055459 in words is "one hundred forty-four million, fifty-five thousand, four hundred fifty-nine".
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