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144277 = 720611
BaseRepresentation
bin100011001110010101
321022220121
4203032111
514104102
63031541
71140430
oct431625
9238817
10144277
1199441
126b5b1
1350893
143a817
152cb37
hex23395

144277 has 4 divisors (see below), whose sum is σ = 164896. Its totient is φ = 123660.

The previous prime is 144271. The next prime is 144289. The reversal of 144277 is 772441.

144277 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, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 144277 - 215 = 111509 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 11.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144271) 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, 10299 + ... + 10312.

It is an arithmetic number, because the mean of its divisors is an integer number (41224).

2144277 is an apocalyptic number.

It is an amenable number.

144277 is a deficient number, since it is larger than the sum of its proper divisors (20619).

144277 is an equidigital number, since it uses as much as digits as its factorization.

144277 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20618.

The product of its digits is 1568, while the sum is 25.

The square root of 144277 is about 379.8381234158. The cubic root of 144277 is about 52.4484149390.

The spelling of 144277 in words is "one hundred forty-four thousand, two hundred seventy-seven", and thus it is an iban number.

Divisors: 1 7 20611 144277