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144075 = 35217113
BaseRepresentation
bin100011001011001011
321022122010
4203023023
514102300
63031003
71140021
oct431313
9238563
10144075
1199278
126b463
1350769
143a711
152ca50
hex232cb

144075 has 24 divisors (see below), whose sum is σ = 254448. Its totient is φ = 71680.

The previous prime is 144073. The next prime is 144103. The reversal of 144075 is 570441.

144075 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 144075 - 21 = 144073 is a prime.

It is a hoax number, since the sum of its digits (21) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (144071) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1219 + ... + 1331.

It is an arithmetic number, because the mean of its divisors is an integer number (10602).

2144075 is an apocalyptic number.

144075 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

144075 is a deficient number, since it is larger than the sum of its proper divisors (110373).

144075 is a wasteful number, since it uses less digits than its factorization.

144075 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143 (or 138 counting only the distinct ones).

The product of its (nonzero) digits is 560, while the sum is 21.

The square root of 144075 is about 379.5721275331. The cubic root of 144075 is about 52.4239261013.

The spelling of 144075 in words is "one hundred forty-four thousand, seventy-five".

Divisors: 1 3 5 15 17 25 51 75 85 113 255 339 425 565 1275 1695 1921 2825 5763 8475 9605 28815 48025 144075