454945 has 4 divisors (see below), whose sum is σ = 545940. Its totient is φ = 363952.

The previous prime is 454943. The next prime is 454967. The reversal of 454945 is 549454.

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

It can be written as a sum of positive squares in 2 ways, for example, as 247009 + 207936 = 497^2 + 456^2 .

It is a cyclic number.

It is not a de Polignac number, because 454945 - 2¹ = 454943 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a nialpdrome in base 14.

It is not an unprimeable number, because it can be changed into a prime (454943) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 45490 + ... + 45499.

It is an arithmetic number, because the mean of its divisors is an integer number (136485).

2⁴⁵⁴⁹⁴⁵ is an apocalyptic number.

It is an amenable number.

454945 is a deficient number, since it is larger than the sum of its proper divisors (90995).

454945 is an equidigital number, since it uses as much as digits as its factorization.

454945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90994.

The product of its digits is 14400, while the sum is 31.

The square root of 454945 is about 674.4961082171. The cubic root of 454945 is about 76.9106175974.

The spelling of 454945 in words is "four hundred fifty-four thousand, nine hundred forty-five".