142926229 has 2 divisors, whose sum is σ = 142926230. Its totient is φ = 142926228.

The previous prime is 142926193. The next prime is 142926241. The reversal of 142926229 is 922629241.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 141491025 + 1435204 = 11895^2 + 1198^2 .

It is a cyclic number.

It is not a de Polignac number, because 142926229 - 2⁷ = 142926101 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (142923229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71463114 + 71463115.

It is an arithmetic number, because the mean of its divisors is an integer number (71463115).

Almost surely, 2^142926229 is an apocalyptic number.

It is an amenable number.

142926229 is a deficient number, since it is larger than the sum of its proper divisors (1).

142926229 is an equidigital number, since it uses as much as digits as its factorization.

142926229 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 31104, while the sum is 37.

The square root of 142926229 is about 11955.1758247213. The cubic root of 142926229 is about 522.8422140998.

The spelling of 142926229 in words is "one hundred forty-two million, nine hundred twenty-six thousand, two hundred twenty-nine".