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143245340 = 22577114411
BaseRepresentation
bin10001000100111…
…00000000011100
3100222112121122222
420202130000130
5243132322330
622114124512
73356364620
oct1042340034
9328477588
10143245340
1173949387
123bb80738
13238a5574
141504b180
15c8980e5
hex889c01c

143245340 has 48 divisors (see below), whose sum is σ = 348655104. Its totient is φ = 48417600.

The previous prime is 143245321. The next prime is 143245363. The reversal of 143245340 is 43542341.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2735 + ... + 17145.

It is an arithmetic number, because the mean of its divisors is an integer number (7263648).

Almost surely, 2143245340 is an apocalyptic number.

143245340 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 143245340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (174327552).

143245340 is an abundant number, since it is smaller than the sum of its proper divisors (205409764).

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

143245340 is a wasteful number, since it uses less digits than its factorization.

143245340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14498 (or 14496 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 26.

The square root of 143245340 is about 11968.5145277098. The cubic root of 143245340 is about 523.2310409920.

Adding to 143245340 its reverse (43542341), we get a palindrome (186787681).

The spelling of 143245340 in words is "one hundred forty-three million, two hundred forty-five thousand, three hundred forty".

Divisors: 1 2 4 5 7 10 14 20 28 35 70 71 140 142 284 355 497 710 994 1420 1988 2485 4970 9940 14411 28822 57644 72055 100877 144110 201754 288220 403508 504385 1008770 1023181 2017540 2046362 4092724 5115905 7162267 10231810 14324534 20463620 28649068 35811335 71622670 143245340