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144386133 = 341228631
BaseRepresentation
bin10001001101100…
…10100001010101
3101001200120112120
420212302201111
5243430324013
622154410153
73402155553
oct1046624125
9331616476
10144386133
1174558491
1240430959
1323bb48a8
1415266bd3
15ca21123
hex89b2855

144386133 has 12 divisors (see below), whose sum is σ = 197331744. Its totient is φ = 93906400.

The previous prime is 144386129. The next prime is 144386141. The reversal of 144386133 is 331683441.

It is not a de Polignac number, because 144386133 - 22 = 144386129 is a prime.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 144386094 and 144386103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144386153) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9273 + ... + 19358.

It is an arithmetic number, because the mean of its divisors is an integer number (16444312).

Almost surely, 2144386133 is an apocalyptic number.

It is an amenable number.

144386133 is a deficient number, since it is larger than the sum of its proper divisors (52945611).

144386133 is an equidigital number, since it uses as much as digits as its factorization.

144386133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28716 (or 28675 counting only the distinct ones).

The product of its digits is 20736, while the sum is 33.

The square root of 144386133 is about 12016.0781039406. The cubic root of 144386133 is about 524.6163582723.

The spelling of 144386133 in words is "one hundred forty-four million, three hundred eighty-six thousand, one hundred thirty-three".

Divisors: 1 3 41 123 1681 5043 28631 85893 1173871 3521613 48128711 144386133