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143143342 = 271571671
BaseRepresentation
bin10001000100000…
…11000110101110
3100222100102202021
420202003012232
5243121041332
622112020354
73355461346
oct1042030656
9328312667
10143143342
1173889791
123bb316ba
132386b004
1415021d26
15c877c97
hex88831ae

143143342 has 4 divisors (see below), whose sum is σ = 214715016. Its totient is φ = 71571670.

The previous prime is 143143327. The next prime is 143143369. The reversal of 143143342 is 243341341.

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

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 35785834 + ... + 35785837.

It is an arithmetic number, because the mean of its divisors is an integer number (53678754).

Almost surely, 2143143342 is an apocalyptic number.

143143342 is a deficient number, since it is larger than the sum of its proper divisors (71571674).

143143342 is an equidigital number, since it uses as much as digits as its factorization.

143143342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71571673.

The product of its digits is 3456, while the sum is 25.

The square root of 143143342 is about 11964.2526720226. The cubic root of 143143342 is about 523.1068224270.

Adding to 143143342 its reverse (243341341), we get a palindrome (386484683).

The spelling of 143143342 in words is "one hundred forty-three million, one hundred forty-three thousand, three hundred forty-two".

Divisors: 1 2 71571671 143143342