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142142327 is a prime number
BaseRepresentation
bin10000111100011…
…10101101110111
3100220110120121122
420132032231313
5242342023302
622034334155
73344122055
oct1036165567
9326416548
10142142327
11732656a8
123b72a35b
13235aa4b2
1414c411d5
15c72b3a2
hex878eb77

142142327 has 2 divisors, whose sum is σ = 142142328. Its totient is φ = 142142326.

The previous prime is 142142303. The next prime is 142142333. The reversal of 142142327 is 723241241.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 142142327 - 26 = 142142263 is a prime.

It is a super-2 number, since 2×1421423272 = 40408882249949858, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 142142296 and 142142305.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (142142227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71071163 + 71071164.

It is an arithmetic number, because the mean of its divisors is an integer number (71071164).

Almost surely, 2142142327 is an apocalyptic number.

142142327 is a deficient number, since it is larger than the sum of its proper divisors (1).

142142327 is an equidigital number, since it uses as much as digits as its factorization.

142142327 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2688, while the sum is 26.

The square root of 142142327 is about 11922.3457004064. The cubic root of 142142327 is about 521.8845903409.

Adding to 142142327 its reverse (723241241), we get a palindrome (865383568).

The spelling of 142142327 in words is "one hundred forty-two million, one hundred forty-two thousand, three hundred twenty-seven".