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143144312 = 2317893039
BaseRepresentation
bin10001000100000…
…11010101111000
3100222100111002012
420202003111320
5243121104222
622112025052
73355464233
oct1042032570
9328314065
10143144312
117388a493
123bb32188
132386b59c
141502241a
15c8781e2
hex8883578

143144312 has 8 divisors (see below), whose sum is σ = 268395600. Its totient is φ = 71572152.

The previous prime is 143144311. The next prime is 143144327. The reversal of 143144312 is 213441341.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (143144311) 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 as a sum of consecutive naturals, namely, 8946512 + ... + 8946527.

It is an arithmetic number, because the mean of its divisors is an integer number (33549450).

Almost surely, 2143144312 is an apocalyptic number.

It is an amenable number.

143144312 is a deficient number, since it is larger than the sum of its proper divisors (125251288).

143144312 is a wasteful number, since it uses less digits than its factorization.

143144312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17893045 (or 17893041 counting only the distinct ones).

The product of its digits is 1152, while the sum is 23.

The square root of 143144312 is about 11964.2932093793. The cubic root of 143144312 is about 523.1080040222.

Adding to 143144312 its reverse (213441341), we get a palindrome (356585653).

The spelling of 143144312 in words is "one hundred forty-three million, one hundred forty-four thousand, three hundred twelve".

Divisors: 1 2 4 8 17893039 35786078 71572156 143144312