945095981 has 8 divisors (see below), whose sum is σ = 960724800. Its totient is φ = 929531680.

The previous prime is 945095959. The next prime is 945095989. The reversal of 945095981 is 189590549.

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 945095981 - 2⁶ = 945095917 is a prime.

It is a super-2 number, since 2×945095981² = 1786412826604704722, which 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 (945095989) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13865 + ... + 45633.

It is an arithmetic number, because the mean of its divisors is an integer number (120090600).

Almost surely, 2^945095981 is an apocalyptic number.

It is an amenable number.

945095981 is a deficient number, since it is larger than the sum of its proper divisors (15628819).

945095981 is a wasteful number, since it uses less digits than its factorization.

945095981 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32259.

The product of its (nonzero) digits is 583200, while the sum is 50.

The square root of 945095981 is about 30742.4133893226. The cubic root of 945095981 is about 981.3531152351.

The spelling of 945095981 in words is "nine hundred forty-five million, ninety-five thousand, nine hundred eighty-one".