142659229 has 2 divisors, whose sum is σ = 142659230. Its totient is φ = 142659228.

The previous prime is 142659217. The next prime is 142659259. The reversal of 142659229 is 922956241.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 125395204 + 17264025 = 11198^2 + 4155^2 .

It is a cyclic number.

It is not a de Polignac number, because 142659229 - 2²³ = 134270621 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 142659191 and 142659200.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (142659259) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71329614 + 71329615.

It is an arithmetic number, because the mean of its divisors is an integer number (71329615).

Almost surely, 2^142659229 is an apocalyptic number.

It is an amenable number.

142659229 is a deficient number, since it is larger than the sum of its proper divisors (1).

142659229 is an equidigital number, since it uses as much as digits as its factorization.

142659229 is an evil number, because the sum of its binary digits is even.

The product of its digits is 77760, while the sum is 40.

The square root of 142659229 is about 11944.0038931675. The cubic root of 142659229 is about 522.5164379038.

The spelling of 142659229 in words is "one hundred forty-two million, six hundred fifty-nine thousand, two hundred twenty-nine".