945039 has 4 divisors (see below), whose sum is σ = 1260056. Its totient is φ = 630024.

The previous prime is 945037. The next prime is 945059. The reversal of 945039 is 930549.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 945039 - 2¹ = 945037 is a prime.

It is a D-number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 944997 and 945015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (945031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 157504 + ... + 157509.

It is an arithmetic number, because the mean of its divisors is an integer number (315014).

2⁹⁴⁵⁰³⁹ is an apocalyptic number.

945039 is a deficient number, since it is larger than the sum of its proper divisors (315017).

945039 is a wasteful number, since it uses less digits than its factorization.

945039 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 315016.

The product of its (nonzero) digits is 4860, while the sum is 30.

The square root of 945039 is about 972.1311639897. The cubic root of 945039 is about 98.1333392510.

The spelling of 945039 in words is "nine hundred forty-five thousand, thirty-nine".