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143045320 = 235111512153
BaseRepresentation
bin10001000011010…
…11001011001000
3100222011110021211
420201223023020
5243104422240
622105542504
73354602515
oct1041531310
9328143254
10143045320
1173822080
123baa4a34
1323835502
1414dd830c
15c858bea
hex886b2c8

143045320 has 64 divisors (see below), whose sum is σ = 353600640. Its totient is φ = 51648000.

The previous prime is 143045263. The next prime is 143045321. The reversal of 143045320 is 23540341.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a junction number, because it is equal to n+sod(n) for n = 143045291 and 143045300.

It is not an unprimeable number, because it can be changed into a prime (143045321) 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 15 ways as a sum of consecutive naturals, for example, 65364 + ... + 67516.

It is an arithmetic number, because the mean of its divisors is an integer number (5525010).

Almost surely, 2143045320 is an apocalyptic number.

143045320 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 143045320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (176800320).

143045320 is an abundant number, since it is smaller than the sum of its proper divisors (210555320).

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

143045320 is a wasteful number, since it uses less digits than its factorization.

143045320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2326 (or 2322 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 22.

The square root of 143045320 is about 11960.1555173835. The cubic root of 143045320 is about 522.9873904297.

Adding to 143045320 its reverse (23540341), we get a palindrome (166585661).

The spelling of 143045320 in words is "one hundred forty-three million, forty-five thousand, three hundred twenty".

Divisors: 1 2 4 5 8 10 11 20 22 40 44 55 88 110 151 220 302 440 604 755 1208 1510 1661 2153 3020 3322 4306 6040 6644 8305 8612 10765 13288 16610 17224 21530 23683 33220 43060 47366 66440 86120 94732 118415 189464 236830 325103 473660 650206 947320 1300412 1625515 2600824 3251030 3576133 6502060 7152266 13004120 14304532 17880665 28609064 35761330 71522660 143045320