143542229 has 2 divisors, whose sum is σ = 143542230. Its totient is φ = 143542228.

The previous prime is 143542187. The next prime is 143542247. The reversal of 143542229 is 922245341.

143542229 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 131102500 + 12439729 = 11450^2 + 3527^2 .

It is a cyclic number.

It is not a de Polignac number, because 143542229 - 2¹⁶ = 143476693 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 143542195 and 143542204.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (143542829) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71771114 + 71771115.

It is an arithmetic number, because the mean of its divisors is an integer number (71771115).

Almost surely, 2^143542229 is an apocalyptic number.

It is an amenable number.

143542229 is a deficient number, since it is larger than the sum of its proper divisors (1).

143542229 is an equidigital number, since it uses as much as digits as its factorization.

143542229 is an evil number, because the sum of its binary digits is even.

The product of its digits is 17280, while the sum is 32.

The square root of 143542229 is about 11980.9110254605. The cubic root of 143542229 is about 523.5922728574.

The spelling of 143542229 in words is "one hundred forty-three million, five hundred forty-two thousand, two hundred twenty-nine".