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142272241 is a prime number
BaseRepresentation
bin10000111101011…
…10011011110001
3100220201011211021
420132232123301
5242410202431
622041215441
73345202606
oct1036563361
9326634737
10142272241
1173344271
123b791581
1323624677
1414c766ad
15c754b11
hex87ae6f1

142272241 has 2 divisors, whose sum is σ = 142272242. Its totient is φ = 142272240.

The previous prime is 142272239. The next prime is 142272253.

142272241 is nontrivially palindromic in base 10.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 92160000 + 50112241 = 9600^2 + 7079^2 .

It is a palprime.

It is a cyclic number.

It is not a de Polignac number, because 142272241 - 21 = 142272239 is a prime.

Together with 142272239, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (142272281) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71136120 + 71136121.

It is an arithmetic number, because the mean of its divisors is an integer number (71136121).

Almost surely, 2142272241 is an apocalyptic number.

It is an amenable number.

142272241 is a deficient number, since it is larger than the sum of its proper divisors (1).

142272241 is an equidigital number, since it uses as much as digits as its factorization.

142272241 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1792, while the sum is 25.

The square root of 142272241 is about 11927.7927966577. The cubic root of 142272241 is about 522.0435377631.

The spelling of 142272241 in words is "one hundred forty-two million, two hundred seventy-two thousand, two hundred forty-one".