142812233 has 2 divisors, whose sum is σ = 142812234. Its totient is φ = 142812232.

The previous prime is 142812217. The next prime is 142812247. The reversal of 142812233 is 332218241.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 124724224 + 18088009 = 11168^2 + 4253^2 .

It is a cyclic number.

It is not a de Polignac number, because 142812233 - 2⁴ = 142812217 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (142812203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71406116 + 71406117.

It is an arithmetic number, because the mean of its divisors is an integer number (71406117).

Almost surely, 2^142812233 is an apocalyptic number.

It is an amenable number.

142812233 is a deficient number, since it is larger than the sum of its proper divisors (1).

142812233 is an equidigital number, since it uses as much as digits as its factorization.

142812233 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2304, while the sum is 26.

The square root of 142812233 is about 11950.4072315549. The cubic root of 142812233 is about 522.7031732011.

The spelling of 142812233 in words is "one hundred forty-two million, eight hundred twelve thousand, two hundred thirty-three".