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143540113 is a prime number
BaseRepresentation
bin10001000111000…
…11111110010001
3101000002121000111
420203203332101
5243221240423
622124321321
73362033203
oct1043437621
9330077014
10143540113
117402a8a2
12400a3241
13239797a2
14150c6773
15c90560d
hex88e3f91

143540113 has 2 divisors, whose sum is σ = 143540114. Its totient is φ = 143540112.

The previous prime is 143540107. The next prime is 143540141. The reversal of 143540113 is 311045341.

143540113 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 97950609 + 45589504 = 9897^2 + 6752^2 .

It is a cyclic number.

It is not a de Polignac number, because 143540113 - 25 = 143540081 is a prime.

It is not a weakly prime, because it can be changed into another prime (143540183) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71770056 + 71770057.

It is an arithmetic number, because the mean of its divisors is an integer number (71770057).

Almost surely, 2143540113 is an apocalyptic number.

It is an amenable number.

143540113 is a deficient number, since it is larger than the sum of its proper divisors (1).

143540113 is an equidigital number, since it uses as much as digits as its factorization.

143540113 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 143540113 is about 11980.8227179940. The cubic root of 143540113 is about 523.5897000333.

Adding to 143540113 its reverse (311045341), we get a palindrome (454585454).

The spelling of 143540113 in words is "one hundred forty-three million, five hundred forty thousand, one hundred thirteen".