8143545422 has 8 divisors (see below), whose sum is σ = 12273211272. Its totient is φ = 4052475000.

The previous prime is 8143545373. The next prime is 8143545427. The reversal of 8143545422 is 2245453418.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8143545427) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9648329 + ... + 9649172.

It is an arithmetic number, because the mean of its divisors is an integer number (1534151409).

Almost surely, 2^8143545422 is an apocalyptic number.

8143545422 is a deficient number, since it is larger than the sum of its proper divisors (4129665850).

8143545422 is a wasteful number, since it uses less digits than its factorization.

8143545422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19297714.

The product of its digits is 153600, while the sum is 38.

The square root of 8143545422 is about 90241.5947443306. The cubic root of 8143545422 is about 2011.8912771426.

The spelling of 8143545422 in words is "eight billion, one hundred forty-three million, five hundred forty-five thousand, four hundred twenty-two".