109163143 has 2 divisors, whose sum is σ = 109163144. Its totient is φ = 109163142.

The previous prime is 109163101. The next prime is 109163179. The reversal of 109163143 is 341361901.

It is a strong prime.

It is an emirp because it is prime and its reverse (341361901) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 109163143 - 2¹³ = 109154951 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (109163843) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 54581571 + 54581572.

It is an arithmetic number, because the mean of its divisors is an integer number (54581572).

Almost surely, 2^109163143 is an apocalyptic number.

109163143 is a deficient number, since it is larger than the sum of its proper divisors (1).

109163143 is an equidigital number, since it uses as much as digits as its factorization.

109163143 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1944, while the sum is 28.

The square root of 109163143 is about 10448.1167202515. The cubic root of 109163143 is about 477.9238206009.

The spelling of 109163143 in words is "one hundred nine million, one hundred sixty-three thousand, one hundred forty-three".