Search a number
-
+
143125 = 54229
BaseRepresentation
bin100010111100010101
321021022221
4202330111
514040000
63022341
71134163
oct427425
9237287
10143125
1198594
126a9b1
13501b8
143a233
152c61a
hex22f15

143125 has 10 divisors (see below), whose sum is σ = 179630. Its totient is φ = 114000.

The previous prime is 143113. The next prime is 143137. The reversal of 143125 is 521341.

143125 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 (143113) and next prime (143137).

It can be written as a sum of positive squares in 5 ways, for example, as 23409 + 119716 = 153^2 + 346^2 .

It is not a de Polignac number, because 143125 - 25 = 143093 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 143099 and 143108.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 511 + ... + 739.

It is an arithmetic number, because the mean of its divisors is an integer number (17963).

2143125 is an apocalyptic number.

It is an amenable number.

143125 is a deficient number, since it is larger than the sum of its proper divisors (36505).

143125 is an frugal number, since it uses more digits than its factorization.

143125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 249 (or 234 counting only the distinct ones).

The product of its digits is 120, while the sum is 16.

The square root of 143125 is about 378.3186487605. The cubic root of 143125 is about 52.3084478309.

Adding to 143125 its reverse (521341), we get a palindrome (664466).

The spelling of 143125 in words is "one hundred forty-three thousand, one hundred twenty-five".

Divisors: 1 5 25 125 229 625 1145 5725 28625 143125