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143255243 = 1722373767
BaseRepresentation
bin10001000100111…
…10011011001011
3100222120010020202
420202132123023
5243133131433
622114242415
73356435525
oct1042363313
9328503222
10143255243
117395586a
123bb8640b
13238a9c21
1415050a15
15c89aee8
hex889e6cb

143255243 has 8 divisors (see below), whose sum is σ = 151790112. Its totient is φ = 134732416.

The previous prime is 143255239. The next prime is 143255251. The reversal of 143255243 is 342552341.

It is a happy number.

143255243 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 143255243 - 22 = 143255239 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (143255213) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36146 + ... + 39912.

It is an arithmetic number, because the mean of its divisors is an integer number (18973764).

Almost surely, 2143255243 is an apocalyptic number.

143255243 is a deficient number, since it is larger than the sum of its proper divisors (8534869).

143255243 is a wasteful number, since it uses less digits than its factorization.

143255243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6021.

The product of its digits is 14400, while the sum is 29.

The square root of 143255243 is about 11968.9282310489. The cubic root of 143255243 is about 523.2430982490.

The spelling of 143255243 in words is "one hundred forty-three million, two hundred fifty-five thousand, two hundred forty-three".

Divisors: 1 17 2237 3767 38029 64039 8426779 143255243