8145446450 has 12 divisors (see below), whose sum is σ = 15150530490. Its totient is φ = 3258178560.

The previous prime is 8145446411. The next prime is 8145446473. The reversal of 8145446450 is 546445418.

It can be written as a sum of positive squares in 3 ways, for example, as 7303924369 + 841522081 = 85463^2 + 29009^2 .

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 8145446398 and 8145446407.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 81454415 + ... + 81454514.

Almost surely, 2^8145446450 is an apocalyptic number.

8145446450 is a deficient number, since it is larger than the sum of its proper divisors (7005084040).

8145446450 is a wasteful number, since it uses less digits than its factorization.

8145446450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 162908941 (or 162908936 counting only the distinct ones).

The product of its (nonzero) digits is 307200, while the sum is 41.

The square root of 8145446450 is about 90252.1271217471. The cubic root of 8145446450 is about 2012.0478168266.

The spelling of 8145446450 in words is "eight billion, one hundred forty-five million, four hundred forty-six thousand, four hundred fifty".