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144384493 = 1141320143
BaseRepresentation
bin10001001101100…
…10000111101101
3101001200111021211
420212302013231
5243430300433
622154354421
73402151021
oct1046620755
9331614254
10144384493
1174557230
124042ba11
1323bb3c16
1415266381
15ca208cd
hex89b21ed

144384493 has 8 divisors (see below), whose sum is σ = 161352576. Its totient is φ = 128056800.

The previous prime is 144384419. The next prime is 144384503. The reversal of 144384493 is 394483441.

144384493 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 144384493 - 213 = 144376301 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144384293) 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, 159621 + ... + 160522.

It is an arithmetic number, because the mean of its divisors is an integer number (20169072).

Almost surely, 2144384493 is an apocalyptic number.

It is an amenable number.

144384493 is a deficient number, since it is larger than the sum of its proper divisors (16968083).

144384493 is a wasteful number, since it uses less digits than its factorization.

144384493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 320195.

The product of its digits is 165888, while the sum is 40.

The square root of 144384493 is about 12016.0098618468. The cubic root of 144384493 is about 524.6143719918.

The spelling of 144384493 in words is "one hundred forty-four million, three hundred eighty-four thousand, four hundred ninety-three".

Divisors: 1 11 41 451 320143 3521573 13125863 144384493