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142714181 is a prime number
BaseRepresentation
bin10001000000110…
…10010101000101
3100221112122001102
420200122111011
5243013323211
622054505445
73352023221
oct1040322505
9327478042
10142714181
1173616305
123b965285
132374a87c
1414d4d781
15c7e0a3b
hex881a545

142714181 has 2 divisors, whose sum is σ = 142714182. Its totient is φ = 142714180.

The previous prime is 142714171. The next prime is 142714193. The reversal of 142714181 is 181417241.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 98704225 + 44009956 = 9935^2 + 6634^2 .

It is an emirp because it is prime and its reverse (181417241) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 142714181 - 226 = 75605317 is a prime.

It is a super-2 number, since 2×1427141812 = 40734674917001522, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (142714171) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71357090 + 71357091.

It is an arithmetic number, because the mean of its divisors is an integer number (71357091).

Almost surely, 2142714181 is an apocalyptic number.

It is an amenable number.

142714181 is a deficient number, since it is larger than the sum of its proper divisors (1).

142714181 is an equidigital number, since it uses as much as digits as its factorization.

142714181 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1792, while the sum is 29.

The square root of 142714181 is about 11946.3040728085. The cubic root of 142714181 is about 522.5835199929.

The spelling of 142714181 in words is "one hundred forty-two million, seven hundred fourteen thousand, one hundred eighty-one".