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142142263 is a prime number
BaseRepresentation
bin10000111100011…
…10101100110111
3100220110120112021
420132032230313
5242342023023
622034334011
73344121634
oct1036165467
9326416467
10142142263
117326564a
123b72a307
13235aa463
1414c4118b
15c72b35d
hex878eb37

142142263 has 2 divisors, whose sum is σ = 142142264. Its totient is φ = 142142262.

The previous prime is 142142257. The next prime is 142142291. The reversal of 142142263 is 362241241.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 142142263 - 213 = 142134071 is a prime.

It is a super-2 number, since 2×1421422632 = 40408845861522338, which contains 22 as substring.

It is equal to p8026234 and since 142142263 and 8026234 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (142142233) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71071131 + 71071132.

It is an arithmetic number, because the mean of its divisors is an integer number (71071132).

Almost surely, 2142142263 is an apocalyptic number.

142142263 is a deficient number, since it is larger than the sum of its proper divisors (1).

142142263 is an equidigital number, since it uses as much as digits as its factorization.

142142263 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2304, while the sum is 25.

The square root of 142142263 is about 11922.3430163706. The cubic root of 142142263 is about 521.8845120142.

The spelling of 142142263 in words is "one hundred forty-two million, one hundred forty-two thousand, two hundred sixty-three".