9145609578 has 96 divisors (see below), whose sum is σ = 24211789056. Its totient is φ = 2435387904.

The previous prime is 9145609559. The next prime is 9145609619. The reversal of 9145609578 is 8759065419.

9145609578 is a `hidden beast` number, since 9 + 1 + 4 + 5 + 60 + 9 + 578 = 666.

9145609578 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 47 ways as a sum of consecutive naturals, for example, 199900 + ... + 241352.

It is an arithmetic number, because the mean of its divisors is an integer number (252206136).

Almost surely, 2^9145609578 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 9145609578, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12105894528).

9145609578 is an abundant number, since it is smaller than the sum of its proper divisors (15066179478).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

9145609578 is a wasteful number, since it uses less digits than its factorization.

9145609578 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41588 (or 41585 counting only the distinct ones).

The product of its (nonzero) digits is 2721600, while the sum is 54.

The square root of 9145609578 is about 95632.6804915558. The cubic root of 9145609578 is about 2091.2416466131.

The spelling of 9145609578 in words is "nine billion, one hundred forty-five million, six hundred nine thousand, five hundred seventy-eight".