143420201 has 2 divisors, whose sum is σ = 143420202. Its totient is φ = 143420200.

The previous prime is 143420191. The next prime is 143420239. The reversal of 143420201 is 102024341.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 136866601 + 6553600 = 11699^2 + 2560^2 .

It is a cyclic number.

It is not a de Polignac number, because 143420201 - 2¹⁴ = 143403817 is a prime.

It is a super-3 number, since 3×143420201³ (a number of 25 digits) contains 333 as substring.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 143420201.

It is not a weakly prime, because it can be changed into another prime (143426201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71710100 + 71710101.

It is an arithmetic number, because the mean of its divisors is an integer number (71710101).

Almost surely, 2^143420201 is an apocalyptic number.

It is an amenable number.

143420201 is a deficient number, since it is larger than the sum of its proper divisors (1).

143420201 is an equidigital number, since it uses as much as digits as its factorization.

143420201 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 143420201 is about 11975.8173416264. The cubic root of 143420201 is about 523.4438588508.

Adding to 143420201 its reverse (102024341), we get a palindrome (245444542).

The spelling of 143420201 in words is "one hundred forty-three million, four hundred twenty thousand, two hundred one".