945945946 has 16 divisors (see below), whose sum is σ = 1548668160. Its totient is φ = 429765280.

The previous prime is 945945941. The next prime is 945946007. The reversal of 945945946 is 649549549.

It is not an unprimeable number, because it can be changed into a prime (945945941) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41175 + ... + 59893.

It is an arithmetic number, because the mean of its divisors is an integer number (96791760).

Almost surely, 2^945945946 is an apocalyptic number.

945945946 is a deficient number, since it is larger than the sum of its proper divisors (602722214).

945945946 is a wasteful number, since it uses less digits than its factorization.

945945946 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21029.

The product of its digits is 6998400, while the sum is 55.

The square root of 945945946 is about 30756.2342623410. The cubic root of 945945946 is about 981.6472179471.

The spelling of 945945946 in words is "nine hundred forty-five million, nine hundred forty-five thousand, nine hundred forty-six".