94845000181 has 4 divisors (see below), whose sum is σ = 95103433792. Its totient is φ = 94586566572.

The previous prime is 94845000161. The next prime is 94845000193. The reversal of 94845000181 is 18100054849.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 18100054849 = 6961 ⋅2600209.

It is a cyclic number.

It is not a de Polignac number, because 94845000181 - 2¹⁷ = 94844869109 is a prime.

It is a super-2 number, since 2×94845000181² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (94845000161) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 129216255 + ... + 129216988.

It is an arithmetic number, because the mean of its divisors is an integer number (23775858448).

Almost surely, 2^94845000181 is an apocalyptic number.

It is an amenable number.

94845000181 is a deficient number, since it is larger than the sum of its proper divisors (258433611).

94845000181 is a wasteful number, since it uses less digits than its factorization.

94845000181 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 258433610.

The product of its (nonzero) digits is 46080, while the sum is 40.

The spelling of 94845000181 in words is "ninety-four billion, eight hundred forty-five million, one hundred eighty-one", and thus it is an aban number.