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143243064 = 233229312213
BaseRepresentation
bin10001000100110…
…11011100111000
3100222112111112200
420202123130320
5243132234224
622114110200
73356355156
oct1042333470
9328474480
10143243064
11739476a8
123bb7b360
13238a4513
141504a3d6
15c8975c9
hex889b738

143243064 has 96 divisors (see below), whose sum is σ = 414460800. Its totient is φ = 44593920.

The previous prime is 143243029. The next prime is 143243069. The reversal of 143243064 is 460342341.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (143243069) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 63622 + ... + 65834.

It is an arithmetic number, because the mean of its divisors is an integer number (4317300).

Almost surely, 2143243064 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 143243064, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (207230400).

143243064 is an abundant number, since it is smaller than the sum of its proper divisors (271217736).

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

143243064 is a wasteful number, since it uses less digits than its factorization.

143243064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2285 (or 2278 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 27.

The square root of 143243064 is about 11968.4194445215. The cubic root of 143243064 is about 523.2282698021.

The spelling of 143243064 in words is "one hundred forty-three million, two hundred forty-three thousand, sixty-four".

Divisors: 1 2 3 4 6 8 9 12 18 24 29 31 36 58 62 72 87 93 116 124 174 186 232 248 261 279 348 372 522 558 696 744 899 1044 1116 1798 2088 2213 2232 2697 3596 4426 5394 6639 7192 8091 8852 10788 13278 16182 17704 19917 21576 26556 32364 39834 53112 64177 64728 68603 79668 128354 137206 159336 192531 205809 256708 274412 385062 411618 513416 548824 577593 617427 770124 823236 1155186 1234854 1540248 1646472 1989487 2310372 2469708 3978974 4620744 4939416 5968461 7957948 11936922 15915896 17905383 23873844 35810766 47747688 71621532 143243064