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143013443 = 672134529
BaseRepresentation
bin10001000011000…
…11011001000011
3100222002211120012
420201203121003
5243102412233
622105135135
73354410546
oct1041433103
9328084505
10143013443
1173800131
123ba8a4ab
1323823b51
1414dca85d
15c84e548
hex8863643

143013443 has 4 divisors (see below), whose sum is σ = 145148040. Its totient is φ = 140878848.

The previous prime is 143013439. The next prime is 143013457. The reversal of 143013443 is 344310341.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 143013443 - 22 = 143013439 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (143018443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1067198 + ... + 1067331.

It is an arithmetic number, because the mean of its divisors is an integer number (36287010).

Almost surely, 2143013443 is an apocalyptic number.

143013443 is a deficient number, since it is larger than the sum of its proper divisors (2134597).

143013443 is an equidigital number, since it uses as much as digits as its factorization.

143013443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2134596.

The product of its (nonzero) digits is 1728, while the sum is 23.

The square root of 143013443 is about 11958.8228099592. The cubic root of 143013443 is about 522.9485390886.

Adding to 143013443 its reverse (344310341), we get a palindrome (487323784).

The spelling of 143013443 in words is "one hundred forty-three million, thirteen thousand, four hundred forty-three".

Divisors: 1 67 2134529 143013443