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144386223 = 348128741
BaseRepresentation
bin10001001101100…
…10100010101111
3101001200120122220
420212302202233
5243430324343
622154410423
73402156042
oct1046624257
9331616586
10144386223
1174558563
1240430a13
1323bb4947
1415266c59
15ca21183
hex89b28af

144386223 has 4 divisors (see below), whose sum is σ = 192514968. Its totient is φ = 96257480.

The previous prime is 144386201. The next prime is 144386261. The reversal of 144386223 is 322683441.

144386223 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 144386223 - 25 = 144386191 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144386323) 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, 24064368 + ... + 24064373.

It is an arithmetic number, because the mean of its divisors is an integer number (48128742).

Almost surely, 2144386223 is an apocalyptic number.

144386223 is a deficient number, since it is larger than the sum of its proper divisors (48128745).

144386223 is an equidigital number, since it uses as much as digits as its factorization.

144386223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48128744.

The product of its digits is 27648, while the sum is 33.

The square root of 144386223 is about 12016.0818489223. The cubic root of 144386223 is about 524.6164672751.

The spelling of 144386223 in words is "one hundred forty-four million, three hundred eighty-six thousand, two hundred twenty-three".

Divisors: 1 3 48128741 144386223