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143068 = 2247761
BaseRepresentation
bin100010111011011100
321021020211
4202323130
514034233
63022204
71134052
oct427334
9237224
10143068
1198542
126a964
1350173
143a1d2
152c5cd
hex22edc

143068 has 12 divisors (see below), whose sum is σ = 256032. Its totient is φ = 69920.

The previous prime is 143063. The next prime is 143093. The reversal of 143068 is 860341.

It is a nialpdrome in base 11.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (143063) 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, 193 + ... + 568.

It is an arithmetic number, because the mean of its divisors is an integer number (21336).

2143068 is an apocalyptic number.

It is an amenable number.

143068 is a deficient number, since it is larger than the sum of its proper divisors (112964).

143068 is a wasteful number, since it uses less digits than its factorization.

143068 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 812 (or 810 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 22.

The square root of 143068 is about 378.2433079382. The cubic root of 143068 is about 52.3015029053.

The spelling of 143068 in words is "one hundred forty-three thousand, sixty-eight".

Divisors: 1 2 4 47 94 188 761 1522 3044 35767 71534 143068