143022091 has 2 divisors, whose sum is σ = 143022092. Its totient is φ = 143022090.

The previous prime is 143022079. The next prime is 143022149. The reversal of 143022091 is 190220341.

It is a weak prime.

It is an emirp because it is prime and its reverse (190220341) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 143022091 - 2¹¹ = 143020043 is a prime.

It is not a weakly prime, because it can be changed into another prime (143022791) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71511045 + 71511046.

It is an arithmetic number, because the mean of its divisors is an integer number (71511046).

Almost surely, 2^143022091 is an apocalyptic number.

143022091 is a deficient number, since it is larger than the sum of its proper divisors (1).

143022091 is an equidigital number, since it uses as much as digits as its factorization.

143022091 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 432, while the sum is 22.

The square root of 143022091 is about 11959.1843785435. The cubic root of 143022091 is about 522.9590797476.

The spelling of 143022091 in words is "one hundred forty-three million, twenty-two thousand, ninety-one".