453945 has 16 divisors (see below), whose sum is σ = 741312. Its totient is φ = 237120.

The previous prime is 453931. The next prime is 453949. The reversal of 453945 is 549354.

It is not a de Polignac number, because 453945 - 2⁵ = 453913 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (453949) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 510 + ... + 1080.

It is an arithmetic number, because the mean of its divisors is an integer number (46332).

2⁴⁵³⁹⁴⁵ is an apocalyptic number.

It is an amenable number.

453945 is a deficient number, since it is larger than the sum of its proper divisors (287367).

453945 is a wasteful number, since it uses less digits than its factorization.

453945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 632.

The product of its digits is 10800, while the sum is 30.

The square root of 453945 is about 673.7544062936. The cubic root of 453945 is about 76.8542246722.

The spelling of 453945 in words is "four hundred fifty-three thousand, nine hundred forty-five".