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143000 = 23531113
BaseRepresentation
bin100010111010011000
321021011022
4202322120
514034000
63022012
71133624
oct427230
9237138
10143000
1198490
126a908
1350120
143a184
152c585
hex22e98

143000 has 64 divisors (see below), whose sum is σ = 393120. Its totient is φ = 48000.

The previous prime is 142993. The next prime is 143053. The reversal of 143000 is 341.

Adding to 143000 its reverse (341), we get a palindrome (143341).

It is a Harshad number since it is a multiple of its sum of digits (8).

It is a congruent number.

It is an unprimeable number.

143000 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10994 + ... + 11006.

2143000 is an apocalyptic number.

143000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 143000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (196560).

143000 is an abundant number, since it is smaller than the sum of its proper divisors (250120).

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

143000 is a wasteful number, since it uses less digits than its factorization.

143000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45 (or 31 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 8.

The square root of 143000 is about 378.1534080238. The cubic root of 143000 is about 52.2932153176.

The spelling of 143000 in words is "one hundred forty-three thousand", and thus it is an iban number.

Divisors: 1 2 4 5 8 10 11 13 20 22 25 26 40 44 50 52 55 65 88 100 104 110 125 130 143 200 220 250 260 275 286 325 440 500 520 550 572 650 715 1000 1100 1144 1300 1375 1430 1625 2200 2600 2750 2860 3250 3575 5500 5720 6500 7150 11000 13000 14300 17875 28600 35750 71500 143000