8450815845 has 16 divisors (see below), whose sum is σ = 13522626432. Its totient is φ = 4506661440.

The previous prime is 8450815837. The next prime is 8450815883. The reversal of 8450815845 is 5485180548.

It is not a de Polignac number, because 8450815845 - 2³ = 8450815837 is a prime.

It is a super-2 number, since 2×8450815845² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 8450815794 and 8450815803.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 183139 + ... + 224591.

It is an arithmetic number, because the mean of its divisors is an integer number (845164152).

Almost surely, 2^8450815845 is an apocalyptic number.

It is an amenable number.

8450815845 is a deficient number, since it is larger than the sum of its proper divisors (5071810587).

8450815845 is a wasteful number, since it uses less digits than its factorization.

8450815845 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55052.

The product of its (nonzero) digits is 1024000, while the sum is 48.

The square root of 8450815845 is about 91928.3190589276. The cubic root of 8450815845 is about 2036.8836055323.

The spelling of 8450815845 in words is "eight billion, four hundred fifty million, eight hundred fifteen thousand, eight hundred forty-five".