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144129 = 3107449
BaseRepresentation
bin100011001100000001
321022201010
4203030001
514103004
63031133
71140126
oct431401
9238633
10144129
1199317
126b4a9
13507ab
143a74d
152ca89
hex23301

144129 has 8 divisors (see below), whose sum is σ = 194400. Its totient is φ = 94976.

The previous prime is 144103. The next prime is 144139. The reversal of 144129 is 921441.

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 144129 - 28 = 143873 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144139) 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, 97 + ... + 545.

It is an arithmetic number, because the mean of its divisors is an integer number (24300).

2144129 is an apocalyptic number.

It is an amenable number.

144129 is a deficient number, since it is larger than the sum of its proper divisors (50271).

144129 is a wasteful number, since it uses less digits than its factorization.

144129 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 559.

The product of its digits is 288, while the sum is 21.

The square root of 144129 is about 379.6432535947. The cubic root of 144129 is about 52.4304748627.

The spelling of 144129 in words is "one hundred forty-four thousand, one hundred twenty-nine".

Divisors: 1 3 107 321 449 1347 48043 144129