Base | Representation |
---|---|
bin | 10001001110110… |
… | …10110001101111 |
3 | 101001222221201121 |
4 | 20213122301233 |
5 | 244001113043 |
6 | 22202121411 |
7 | 3403443361 |
oct | 1047326157 |
9 | 331887647 |
10 | 144551023 |
11 | 74660361 |
12 | 404b0267 |
13 | 23c41966 |
14 | 152aad31 |
15 | ca54ded |
hex | 89dac6f |
144551023 has 8 divisors (see below), whose sum is σ = 147069968. Its totient is φ = 142046784.
The previous prime is 144550957. The next prime is 144551059. The reversal of 144551023 is 320155441.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 144551023 - 225 = 110996591 is a prime.
It is a super-5 number, since 5×1445510235 (a number of 42 digits) contains 55555 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (144551063) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17161 + ... + 24157.
It is an arithmetic number, because the mean of its divisors is an integer number (18383746).
Almost surely, 2144551023 is an apocalyptic number.
144551023 is a deficient number, since it is larger than the sum of its proper divisors (2518945).
144551023 is an equidigital number, since it uses as much as digits as its factorization.
144551023 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7353.
The product of its (nonzero) digits is 2400, while the sum is 25.
The square root of 144551023 is about 12022.9373698776. The cubic root of 144551023 is about 524.8159875142.
The spelling of 144551023 in words is "one hundred forty-four million, five hundred fifty-one thousand, twenty-three".
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