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144188 = 221129113
BaseRepresentation
bin100011001100111100
321022210022
4203030330
514103223
63031312
71140242
oct431474
9238708
10144188
1199370
126b538
1350825
143a792
152cac8
hex2333c

144188 has 24 divisors (see below), whose sum is σ = 287280. Its totient is φ = 62720.

The previous prime is 144173. The next prime is 144203. The reversal of 144188 is 881441.

144188 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (144173) and next prime (144203).

It is a plaindrome in base 16.

It is a congruent number.

It is an unprimeable number.

144188 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1220 + ... + 1332.

It is an arithmetic number, because the mean of its divisors is an integer number (11970).

2144188 is an apocalyptic number.

It is an amenable number.

144188 is a deficient number, since it is larger than the sum of its proper divisors (143092).

144188 is a wasteful number, since it uses less digits than its factorization.

144188 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 157 (or 155 counting only the distinct ones).

The product of its digits is 1024, while the sum is 26.

The square root of 144188 is about 379.7209501726. The cubic root of 144188 is about 52.4376281213.

It can be divided in two parts, 144 and 188, that multiplied together give a palindrome (27072).

The spelling of 144188 in words is "one hundred forty-four thousand, one hundred eighty-eight".

Divisors: 1 2 4 11 22 29 44 58 113 116 226 319 452 638 1243 1276 2486 3277 4972 6554 13108 36047 72094 144188