142227313 has 2 divisors, whose sum is σ = 142227314. Its totient is φ = 142227312.

The previous prime is 142227299. The next prime is 142227367. The reversal of 142227313 is 313722241.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 112720689 + 29506624 = 10617^2 + 5432^2 .

It is a cyclic number.

It is not a de Polignac number, because 142227313 - 2⁹ = 142226801 is a prime.

It is not a weakly prime, because it can be changed into another prime (142227373) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71113656 + 71113657.

It is an arithmetic number, because the mean of its divisors is an integer number (71113657).

Almost surely, 2^142227313 is an apocalyptic number.

It is an amenable number.

142227313 is a deficient number, since it is larger than the sum of its proper divisors (1).

142227313 is an equidigital number, since it uses as much as digits as its factorization.

142227313 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2016, while the sum is 25.

The square root of 142227313 is about 11925.9093154359. The cubic root of 142227313 is about 521.9885801194.

Adding to 142227313 its reverse (313722241), we get a palindrome (455949554).

The spelling of 142227313 in words is "one hundred forty-two million, two hundred twenty-seven thousand, three hundred thirteen".