945353644 has 12 divisors (see below), whose sum is σ = 1654690464. Its totient is φ = 472584944.

The previous prime is 945353627. The next prime is 945353653. The reversal of 945353644 is 446353549.

It is a self number, because there is not a number n which added to its sum of digits gives 945353644.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3594 + ... + 43630.

It is an arithmetic number, because the mean of its divisors is an integer number (137890872).

Almost surely, 2^945353644 is an apocalyptic number.

It is an amenable number.

945353644 is a deficient number, since it is larger than the sum of its proper divisors (709336820).

945353644 is a wasteful number, since it uses less digits than its factorization.

945353644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45944 (or 45942 counting only the distinct ones).

The product of its digits is 777600, while the sum is 43.

The square root of 945353644 is about 30746.6037799299. The cubic root of 945353644 is about 981.4422897448.

The spelling of 945353644 in words is "nine hundred forty-five million, three hundred fifty-three thousand, six hundred forty-four".