Search a number
-
+
143045 = 576167
BaseRepresentation
bin100010111011000101
321021012222
4202323011
514034140
63022125
71134020
oct427305
9237188
10143045
1198521
126a945
1350156
143a1b7
152c5b5
hex22ec5

143045 has 16 divisors (see below), whose sum is σ = 202368. Its totient is φ = 95040.

The previous prime is 142993. The next prime is 143053. The reversal of 143045 is 540341.

143045 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 143045 - 26 = 142981 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 11.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2102 + ... + 2168.

It is an arithmetic number, because the mean of its divisors is an integer number (12648).

2143045 is an apocalyptic number.

It is an amenable number.

143045 is a deficient number, since it is larger than the sum of its proper divisors (59323).

143045 is an equidigital number, since it uses as much as digits as its factorization.

143045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140.

The product of its (nonzero) digits is 240, while the sum is 17.

The square root of 143045 is about 378.2129030057. The cubic root of 143045 is about 52.2987000446.

Adding to 143045 its reverse (540341), we get a palindrome (683386).

The spelling of 143045 in words is "one hundred forty-three thousand, forty-five".

Divisors: 1 5 7 35 61 67 305 335 427 469 2135 2345 4087 20435 28609 143045