143950217 has 2 divisors, whose sum is σ = 143950218. Its totient is φ = 143950216.

The previous prime is 143950199. The next prime is 143950243. The reversal of 143950217 is 712059341.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 96904336 + 47045881 = 9844^2 + 6859^2 .

It is a cyclic number.

It is not a de Polignac number, because 143950217 - 2¹⁴ = 143933833 is a prime.

It is a Chen prime.

It is equal to p_8122775 and since 143950217 and 8122775 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (143950277) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71975108 + 71975109.

It is an arithmetic number, because the mean of its divisors is an integer number (71975109).

Almost surely, 2^143950217 is an apocalyptic number.

It is an amenable number.

143950217 is a deficient number, since it is larger than the sum of its proper divisors (1).

143950217 is an equidigital number, since it uses as much as digits as its factorization.

143950217 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7560, while the sum is 32.

The square root of 143950217 is about 11997.9255290238. The cubic root of 143950217 is about 524.0878698572.

The spelling of 143950217 in words is "one hundred forty-three million, nine hundred fifty thousand, two hundred seventeen".