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142656653 is a prime number
BaseRepresentation
bin10001000000011…
…00010010001101
3100221102201010202
420200030102031
5243010003103
622053343245
73351363416
oct1040142215
9327381122
10142656653
1173587067
123b937b25
132372a629
1414d3680d
15c7cd988
hex880c48d

142656653 has 2 divisors, whose sum is σ = 142656654. Its totient is φ = 142656652.

The previous prime is 142656641. The next prime is 142656667. The reversal of 142656653 is 356656241.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 128981449 + 13675204 = 11357^2 + 3698^2 .

It is an emirp because it is prime and its reverse (356656241) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 142656653 - 218 = 142394509 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (142656853) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71328326 + 71328327.

It is an arithmetic number, because the mean of its divisors is an integer number (71328327).

Almost surely, 2142656653 is an apocalyptic number.

It is an amenable number.

142656653 is a deficient number, since it is larger than the sum of its proper divisors (1).

142656653 is an equidigital number, since it uses as much as digits as its factorization.

142656653 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 129600, while the sum is 38.

The square root of 142656653 is about 11943.8960561452. The cubic root of 142656653 is about 522.5132928557.

The spelling of 142656653 in words is "one hundred forty-two million, six hundred fifty-six thousand, six hundred fifty-three".