945564 has 12 divisors (see below), whose sum is σ = 2206344. Its totient is φ = 315184.

The previous prime is 945547. The next prime is 945577. The reversal of 945564 is 465549.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

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, 39387 + ... + 39410.

It is an arithmetic number, because the mean of its divisors is an integer number (183862).

2⁹⁴⁵⁵⁶⁴ is an apocalyptic number.

It is an amenable number.

945564 is an abundant number, since it is smaller than the sum of its proper divisors (1260780).

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

945564 is a wasteful number, since it uses less digits than its factorization.

945564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78804 (or 78802 counting only the distinct ones).

The product of its digits is 21600, while the sum is 33.

The square root of 945564 is about 972.4011517887. The cubic root of 945564 is about 98.1515079776.

The spelling of 945564 in words is "nine hundred forty-five thousand, five hundred sixty-four".