143022013 has 2 divisors, whose sum is σ = 143022014. Its totient is φ = 143022012.

The previous prime is 143022007. The next prime is 143022017. The reversal of 143022013 is 310220341.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 140825689 + 2196324 = 11867^2 + 1482^2 .

It is an emirp because it is prime and its reverse (310220341) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 143022013 - 2¹³ = 143013821 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (143022017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71511006 + 71511007.

It is an arithmetic number, because the mean of its divisors is an integer number (71511007).

Almost surely, 2^143022013 is an apocalyptic number.

It is an amenable number.

143022013 is a deficient number, since it is larger than the sum of its proper divisors (1).

143022013 is an equidigital number, since it uses as much as digits as its factorization.

143022013 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 143022013 is about 11959.1811174511. The cubic root of 143022013 is about 522.9589846788.

Adding to 143022013 its reverse (310220341), we get a palindrome (453242354).

The spelling of 143022013 in words is "one hundred forty-three million, twenty-two thousand, thirteen".