945739985 has 8 divisors (see below), whose sum is σ = 1137853440. Its totient is φ = 754615024.

The previous prime is 945739973. The next prime is 945739987. The reversal of 945739985 is 589937549.

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 945739985 - 2¹⁰ = 945738961 is a prime.

It is not an unprimeable number, because it can be changed into a prime (945739987) 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, 245015 + ... + 248844.

It is an arithmetic number, because the mean of its divisors is an integer number (142231680).

Almost surely, 2^945739985 is an apocalyptic number.

It is an amenable number.

945739985 is a deficient number, since it is larger than the sum of its proper divisors (192113455).

945739985 is a wasteful number, since it uses less digits than its factorization.

945739985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 494247.

The product of its digits is 12247200, while the sum is 59.

The square root of 945739985 is about 30752.8857995473. The cubic root of 945739985 is about 981.5759680274.

The spelling of 945739985 in words is "nine hundred forty-five million, seven hundred thirty-nine thousand, nine hundred eighty-five".