945555 has 24 divisors (see below), whose sum is σ = 1642608. Its totient is φ = 464256.

The previous prime is 945547. The next prime is 945577. The reversal of 945555 is 555549.

It is not a de Polignac number, because 945555 - 2³ = 945547 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2349 + ... + 2721.

It is an arithmetic number, because the mean of its divisors is an integer number (68442).

2⁹⁴⁵⁵⁵⁵ is an apocalyptic number.

945555 is a deficient number, since it is larger than the sum of its proper divisors (697053).

945555 is a wasteful number, since it uses less digits than its factorization.

945555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 407 (or 394 counting only the distinct ones).

The product of its digits is 22500, while the sum is 33.

The square root of 945555 is about 972.3965240580. The cubic root of 945555 is about 98.1511965704.

It can be divided in two parts, 9455 and 55, that multiplied together give a palindrome (520025).

The spelling of 945555 in words is "nine hundred forty-five thousand, five hundred fifty-five".