8145847426 has 8 divisors (see below), whose sum is σ = 12231758844. Its totient is φ = 4068594480.

The previous prime is 8145847421. The next prime is 8145847453. The reversal of 8145847426 is 6247485418.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 8144160025 + 1687401 = 90245^2 + 1299^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 8145847426.

It is not an unprimeable number, because it can be changed into a prime (8145847421) 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, 2162265 + ... + 2166028.

Almost surely, 2^8145847426 is an apocalyptic number.

8145847426 is a deficient number, since it is larger than the sum of its proper divisors (4085911418).

8145847426 is a wasteful number, since it uses less digits than its factorization.

8145847426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4329236.

The product of its digits is 1720320, while the sum is 49.

The square root of 8145847426 is about 90254.3485157363. The cubic root of 8145847426 is about 2012.0808319863.

The spelling of 8145847426 in words is "eight billion, one hundred forty-five million, eight hundred forty-seven thousand, four hundred twenty-six".