945045 has 12 divisors (see below), whose sum is σ = 1638156. Its totient is φ = 504000.

The previous prime is 945037. The next prime is 945059. The reversal of 945045 is 540549.

It can be written as a sum of positive squares in 2 ways, for example, as 269361 + 675684 = 519^2 + 822^2 .

It is not a de Polignac number, because 945045 - 2³ = 945037 is a prime.

It is a super-2 number, since 2×945045² = 1786220104050, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10456 + ... + 10545.

It is an arithmetic number, because the mean of its divisors is an integer number (136513).

2⁹⁴⁵⁰⁴⁵ is an apocalyptic number.

It is an amenable number.

945045 is a deficient number, since it is larger than the sum of its proper divisors (693111).

945045 is a wasteful number, since it uses less digits than its factorization.

945045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21012 (or 21009 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 27.

The square root of 945045 is about 972.1342499881. The cubic root of 945045 is about 98.1335469316.

Subtracting from 945045 its reverse (540549), we obtain a square (404496 = 636²).

It can be divided in two parts, 9 and 45045, that added together give a palindrome (45054).

The spelling of 945045 in words is "nine hundred forty-five thousand, forty-five".