Search a number
-
+
142656853 is a prime number
BaseRepresentation
bin10001000000011…
…00010101010101
3100221102201102011
420200030111111
5243010004403
622053344221
73351364123
oct1040142525
9327381364
10142656853
1173587229
123b938071
132372a751
1414d36913
15c7cda6d
hex880c555

142656853 has 2 divisors, whose sum is σ = 142656854. Its totient is φ = 142656852.

The previous prime is 142656851. The next prime is 142656901. The reversal of 142656853 is 358656241.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 79263409 + 63393444 = 8903^2 + 7962^2 .

It is an emirp because it is prime and its reverse (358656241) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 142656853 - 21 = 142656851 is a prime.

Together with 142656851, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (142656851) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71328426 + 71328427.

It is an arithmetic number, because the mean of its divisors is an integer number (71328427).

Almost surely, 2142656853 is an apocalyptic number.

It is an amenable number.

142656853 is a deficient number, since it is larger than the sum of its proper divisors (1).

142656853 is an equidigital number, since it uses as much as digits as its factorization.

142656853 is an evil number, because the sum of its binary digits is even.

The product of its digits is 172800, while the sum is 40.

The square root of 142656853 is about 11943.9044286196. The cubic root of 142656853 is about 522.5135370378.

The spelling of 142656853 in words is "one hundred forty-two million, six hundred fifty-six thousand, eight hundred fifty-three".