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144475 = 525779
BaseRepresentation
bin100011010001011011
321100011221
4203101123
514110400
63032511
71141132
oct432133
9240157
10144475
1199601
126b737
13509b6
143a919
152cc1a
hex2345b

144475 has 6 divisors (see below), whose sum is σ = 179180. Its totient is φ = 115560.

The previous prime is 144461. The next prime is 144479. The reversal of 144475 is 574441.

144475 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 144475 - 211 = 142427 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25), and also a Moran number because the ratio is a prime number: 5779 = 144475 / (1 + 4 + 4 + 4 + 7 + 5).

It is an Ulam number.

It is a plaindrome in base 16.

It is not an unprimeable number, because it can be changed into a prime (144479) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2865 + ... + 2914.

2144475 is an apocalyptic number.

144475 is a deficient number, since it is larger than the sum of its proper divisors (34705).

144475 is an equidigital number, since it uses as much as digits as its factorization.

144475 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5789 (or 5784 counting only the distinct ones).

The product of its digits is 2240, while the sum is 25.

The square root of 144475 is about 380.0986713999. The cubic root of 144475 is about 52.4723966760.

It can be divided in two parts, 14 and 4475, that added together give a square (4489 = 672).

The spelling of 144475 in words is "one hundred forty-four thousand, four hundred seventy-five".

Divisors: 1 5 25 5779 28895 144475