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142643153 is a prime number
BaseRepresentation
bin10001000000010…
…00111111010001
3100221102000121202
420200020333101
5243004040103
622053200545
73351306152
oct1040107721
9327360552
10142643153
1173577a04
123b930155
1323724443
1414d31929
15c7c9988
hex8808fd1

142643153 has 2 divisors, whose sum is σ = 142643154. Its totient is φ = 142643152.

The previous prime is 142643147. The next prime is 142643159. The reversal of 142643153 is 351346241.

It is a balanced prime because it is at equal distance from previous prime (142643147) and next prime (142643159).

It can be written as a sum of positive squares in only one way, i.e., 114425809 + 28217344 = 10697^2 + 5312^2 .

It is a cyclic number.

It is not a de Polignac number, because 142643153 - 28 = 142642897 is a prime.

It is not a weakly prime, because it can be changed into another prime (142643159) 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, 71321576 + 71321577.

It is an arithmetic number, because the mean of its divisors is an integer number (71321577).

Almost surely, 2142643153 is an apocalyptic number.

It is an amenable number.

142643153 is a deficient number, since it is larger than the sum of its proper divisors (1).

142643153 is an equidigital number, since it uses as much as digits as its factorization.

142643153 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 8640, while the sum is 29.

The square root of 142643153 is about 11943.3309005486. The cubic root of 142643153 is about 522.4968100352.

Adding to 142643153 its reverse (351346241), we get a palindrome (493989394).

The spelling of 142643153 in words is "one hundred forty-two million, six hundred forty-three thousand, one hundred fifty-three".