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142225253 is a prime number
BaseRepresentation
bin10000111101000…
…10111101100101
3100220121210100222
420132202331211
5242402202003
622040214125
73344615612
oct1036427545
9326553328
10142225253
1173311a35
123b76a345
1323609171
1414c63509
15c745c38
hex87a2f65

142225253 has 2 divisors, whose sum is σ = 142225254. Its totient is φ = 142225252.

The previous prime is 142225249. The next prime is 142225277. The reversal of 142225253 is 352522241.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 100841764 + 41383489 = 10042^2 + 6433^2 .

It is a cyclic number.

It is not a de Polignac number, because 142225253 - 22 = 142225249 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (142228253) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71112626 + 71112627.

It is an arithmetic number, because the mean of its divisors is an integer number (71112627).

Almost surely, 2142225253 is an apocalyptic number.

It is an amenable number.

142225253 is a deficient number, since it is larger than the sum of its proper divisors (1).

142225253 is an equidigital number, since it uses as much as digits as its factorization.

142225253 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4800, while the sum is 26.

The square root of 142225253 is about 11925.8229485432. The cubic root of 142225253 is about 521.9860599713.

Adding to 142225253 its reverse (352522241), we get a palindrome (494747494).

The spelling of 142225253 in words is "one hundred forty-two million, two hundred twenty-five thousand, two hundred fifty-three".