945449 has 4 divisors (see below), whose sum is σ = 950400. Its totient is φ = 940500.

The previous prime is 945431. The next prime is 945457. The reversal of 945449 is 944549.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 944549 = 577 ⋅1637.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-945449 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (945409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2177 + ... + 2574.

It is an arithmetic number, because the mean of its divisors is an integer number (237600).

2⁹⁴⁵⁴⁴⁹ is an apocalyptic number.

It is an amenable number.

945449 is a deficient number, since it is larger than the sum of its proper divisors (4951).

945449 is a wasteful number, since it uses less digits than its factorization.

945449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4950.

The product of its digits is 25920, while the sum is 35.

The square root of 945449 is about 972.3420180163. The cubic root of 945449 is about 98.1475287366.

Subtracting from 945449 its reverse (944549), we obtain a square (900 = 30²).

The spelling of 945449 in words is "nine hundred forty-five thousand, four hundred forty-nine".