945945 has 96 divisors (see below), whose sum is σ = 2298240. Its totient is φ = 362880.

The previous prime is 945943. The next prime is 945949. The reversal of 945945 is 549549.

It is not a de Polignac number, because 945945 - 2¹ = 945943 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (945941) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 72759 + ... + 72771.

It is an arithmetic number, because the mean of its divisors is an integer number (23940).

2⁹⁴⁵⁹⁴⁵ is an apocalyptic number.

It is an amenable number.

945945 is an abundant number, since it is smaller than the sum of its proper divisors (1352295).

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

945945 is a wasteful number, since it uses less digits than its factorization.

945945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52 (or 39 counting only the distinct ones).

The product of its digits is 32400, while the sum is 36.

The square root of 945945 is about 972.5970388604. The cubic root of 945945 is about 98.1646890713.

It can be divided in two parts, 9 and 45945, that added together give a palindrome (45954).

The spelling of 945945 in words is "nine hundred forty-five thousand, nine hundred forty-five".