8474340145 has 8 divisors (see below), whose sum is σ = 10283469480. Its totient is φ = 6703297920.

The previous prime is 8474340139. The next prime is 8474340167. The reversal of 8474340145 is 5410434748.

It can be written as a sum of positive squares in 4 ways, for example, as 26708224 + 8447631921 = 5168^2 + 91911^2 .

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

It is not a de Polignac number, because 8474340145 - 2⁹ = 8474339633 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 8474340098 and 8474340107.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9521286 + ... + 9522175.

It is an arithmetic number, because the mean of its divisors is an integer number (1285433685).

Almost surely, 2^8474340145 is an apocalyptic number.

It is an amenable number.

8474340145 is a deficient number, since it is larger than the sum of its proper divisors (1809129335).

8474340145 is a wasteful number, since it uses less digits than its factorization.

8474340145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19043555.

The product of its (nonzero) digits is 215040, while the sum is 40.

The square root of 8474340145 is about 92056.1792874330. The cubic root of 8474340145 is about 2038.7718598523.

The spelling of 8474340145 in words is "eight billion, four hundred seventy-four million, three hundred forty thousand, one hundred forty-five".