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143045143 = 443322901
BaseRepresentation
bin10001000011010…
…11001000010111
3100222011110001021
420201223020113
5243104421033
622105542011
73354602143
oct1041531027
9328143037
10143045143
1173821a2a
123baa4907
13238353c7
1414dd8223
15c858b2d
hex886b217

143045143 has 4 divisors (see below), whose sum is σ = 143368488. Its totient is φ = 142721800.

The previous prime is 143045141. The next prime is 143045153. The reversal of 143045143 is 341540341.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 341540341 = 2271504583.

It is a cyclic number.

It is not a de Polignac number, because 143045143 - 21 = 143045141 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (143045141) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 161008 + ... + 161893.

It is an arithmetic number, because the mean of its divisors is an integer number (35842122).

Almost surely, 2143045143 is an apocalyptic number.

143045143 is a deficient number, since it is larger than the sum of its proper divisors (323345).

143045143 is an equidigital number, since it uses as much as digits as its factorization.

143045143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 323344.

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 143045143 is about 11960.1481178119. The cubic root of 143045143 is about 522.9871747200.

Adding to 143045143 its reverse (341540341), we get a palindrome (484585484).

The spelling of 143045143 in words is "one hundred forty-three million, forty-five thousand, one hundred forty-three".

Divisors: 1 443 322901 143045143