945645974 has 16 divisors (see below), whose sum is σ = 1745808288. Its totient is φ = 374101632.

The previous prime is 945645887. The next prime is 945645997. The reversal of 945645974 is 479546549.

It is a Smith number, since the sum of its digits (53) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent 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, 2597747 + ... + 2598110.

It is an arithmetic number, because the mean of its divisors is an integer number (109113018).

Almost surely, 2^945645974 is an apocalyptic number.

945645974 is a deficient number, since it is larger than the sum of its proper divisors (800162314).

945645974 is a wasteful number, since it uses less digits than its factorization.

945645974 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5195879.

The product of its digits is 5443200, while the sum is 53.

The square root of 945645974 is about 30751.3572708588. The cubic root of 945645974 is about 981.5434425280.

The spelling of 945645974 in words is "nine hundred forty-five million, six hundred forty-five thousand, nine hundred seventy-four".