143009227 has 2 divisors, whose sum is σ = 143009228. Its totient is φ = 143009226.

The previous prime is 143009201. The next prime is 143009261. The reversal of 143009227 is 722900341.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-143009227 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 143009195 and 143009204.

It is not a weakly prime, because it can be changed into another prime (143009267) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71504613 + 71504614.

It is an arithmetic number, because the mean of its divisors is an integer number (71504614).

Almost surely, 2^143009227 is an apocalyptic number.

143009227 is a deficient number, since it is larger than the sum of its proper divisors (1).

143009227 is an equidigital number, since it uses as much as digits as its factorization.

143009227 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3024, while the sum is 28.

The square root of 143009227 is about 11958.6465371295. The cubic root of 143009227 is about 522.9434002413.

Adding to 143009227 its reverse (722900341), we get a palindrome (865909568).

The spelling of 143009227 in words is "one hundred forty-three million, nine thousand, two hundred twenty-seven".