945671814 has 32 divisors (see below), whose sum is σ = 2125116000. Its totient is φ = 311680512.

The previous prime is 945671809. The next prime is 945671873. The reversal of 945671814 is 418176549.

945671814 is a `hidden beast` number, since 9 + 4 + 567 + 1 + 81 + 4 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 945671814.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 93579 + ... + 103190.

It is an arithmetic number, because the mean of its divisors is an integer number (66409875).

Almost surely, 2^945671814 is an apocalyptic number.

945671814 is an abundant number, since it is smaller than the sum of its proper divisors (1179444186).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

945671814 is a wasteful number, since it uses less digits than its factorization.

945671814 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 196869 (or 196863 counting only the distinct ones).

The product of its digits is 241920, while the sum is 45.

The square root of 945671814 is about 30751.7774120456. Note that the first 3 decimals coincide. The cubic root of 945671814 is about 981.5523827488.

The spelling of 945671814 in words is "nine hundred forty-five million, six hundred seventy-one thousand, eight hundred fourteen".