845938094945 has 8 divisors (see below), whose sum is σ = 1015165547136. Its totient is φ = 676723920496.

The previous prime is 845938094927. The next prime is 845938094957. The reversal of 845938094945 is 549490839548.

It is a happy number.

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 845938094945 - 2¹² = 845938090849 is a prime.

It is a super-2 number, since 2×845938094945² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3178727 + ... + 3434556.

It is an arithmetic number, because the mean of its divisors is an integer number (126895693392).

Almost surely, 2^845938094945 is an apocalyptic number.

It is an amenable number.

845938094945 is a deficient number, since it is larger than the sum of its proper divisors (169227452191).

845938094945 is a wasteful number, since it uses less digits than its factorization.

845938094945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6638871.

The product of its (nonzero) digits is 223948800, while the sum is 68.

The spelling of 845938094945 in words is "eight hundred forty-five billion, nine hundred thirty-eight million, ninety-four thousand, nine hundred forty-five".