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144859 = 11131013
BaseRepresentation
bin100011010111011011
321100201011
4203113123
514113414
63034351
71142221
oct432733
9240634
10144859
1199920
126b9b7
1350c20
143ab11
152cdc4
hex235db

144859 has 8 divisors (see below), whose sum is σ = 170352. Its totient is φ = 121440.

The previous prime is 144847. The next prime is 144883. The reversal of 144859 is 958441.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 144859 - 27 = 144731 is a prime.

It is a nialpdrome in base 11.

It is a self number, because there is not a number n which added to its sum of digits gives 144859.

It is not an unprimeable number, because it can be changed into a prime (144829) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 364 + ... + 649.

It is an arithmetic number, because the mean of its divisors is an integer number (21294).

2144859 is an apocalyptic number.

144859 is a deficient number, since it is larger than the sum of its proper divisors (25493).

144859 is a wasteful number, since it uses less digits than its factorization.

144859 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1037.

The product of its digits is 5760, while the sum is 31.

The square root of 144859 is about 380.6034681923. The cubic root of 144859 is about 52.5188443312.

The spelling of 144859 in words is "one hundred forty-four thousand, eight hundred fifty-nine".

Divisors: 1 11 13 143 1013 11143 13169 144859