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143143014 = 237229103163
BaseRepresentation
bin10001000100000…
…11000001100110
3100222100102022010
420202003001212
5243121034024
622112015050
73355460400
oct1042030146
9328312263
10143143014
1173889513
123bb31486
132386ab11
1415021b70
15c877b29
hex8883066

143143014 has 96 divisors (see below), whose sum is σ = 349989120. Its totient is φ = 38864448.

The previous prime is 143143003. The next prime is 143143019. The reversal of 143143014 is 410341341.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (143143019) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 878097 + ... + 878259.

It is an arithmetic number, because the mean of its divisors is an integer number (3645720).

Almost surely, 2143143014 is an apocalyptic number.

143143014 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 143143014, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (174994560).

143143014 is an abundant number, since it is smaller than the sum of its proper divisors (206846106).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

143143014 is a wasteful number, since it uses less digits than its factorization.

143143014 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 314 (or 307 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 143143014 is about 11964.2389645142. The cubic root of 143143014 is about 523.1064228760.

Adding to 143143014 its reverse (410341341), we get a palindrome (553484355).

The spelling of 143143014 in words is "one hundred forty-three million, one hundred forty-three thousand, fourteen".

Divisors: 1 2 3 6 7 14 21 29 42 49 58 87 98 103 147 163 174 203 206 294 309 326 406 489 609 618 721 978 1141 1218 1421 1442 2163 2282 2842 2987 3423 4263 4326 4727 5047 5974 6846 7987 8526 8961 9454 10094 14181 15141 15974 16789 17922 20909 23961 28362 30282 33089 33578 41818 47922 50367 62727 66178 99267 100734 117523 125454 146363 198534 231623 235046 292726 352569 439089 463246 486881 694869 705138 822661 878178 973762 1389738 1460643 1645322 2467983 2921286 3408167 4935966 6816334 10224501 20449002 23857169 47714338 71571507 143143014