9140549845 has 8 divisors (see below), whose sum is σ = 12535611264. Its totient is φ = 6267805584.

The previous prime is 9140549843. The next prime is 9140549863. The reversal of 9140549845 is 5489450419.

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

It is a cyclic number.

It is not a de Polignac number, because 9140549845 - 2¹ = 9140549843 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9140549843) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 130579249 + ... + 130579318.

It is an arithmetic number, because the mean of its divisors is an integer number (1566951408).

Almost surely, 2^9140549845 is an apocalyptic number.

It is an amenable number.

9140549845 is a deficient number, since it is larger than the sum of its proper divisors (3395061419).

9140549845 is a wasteful number, since it uses less digits than its factorization.

9140549845 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 261158579.

The product of its (nonzero) digits is 1036800, while the sum is 49.

The square root of 9140549845 is about 95606.2228361732. Note that the first 3 decimals coincide. The cubic root of 9140549845 is about 2090.8559214122.

The spelling of 9140549845 in words is "nine billion, one hundred forty million, five hundred forty-nine thousand, eight hundred forty-five".