945117905 has 8 divisors (see below), whose sum is σ = 1139139072. Its totient is φ = 752762608.

The previous prime is 945117853. The next prime is 945117913. The reversal of 945117905 is 509711549.

945117905 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 945117905 - 2⁶ = 945117841 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 415217 + ... + 417486.

It is an arithmetic number, because the mean of its divisors is an integer number (142392384).

Almost surely, 2^945117905 is an apocalyptic number.

It is an amenable number.

945117905 is a deficient number, since it is larger than the sum of its proper divisors (194021167).

945117905 is a wasteful number, since it uses less digits than its factorization.

945117905 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 832935.

The product of its (nonzero) digits is 56700, while the sum is 41.

The square root of 945117905 is about 30742.7699630336. The cubic root of 945117905 is about 981.3607035364.

The spelling of 945117905 in words is "nine hundred forty-five million, one hundred seventeen thousand, nine hundred five".