454439645 has 16 divisors (see below), whose sum is σ = 596082240. Its totient is φ = 329846400.

The previous prime is 454439621. The next prime is 454439647. The reversal of 454439645 is 546934454.

It is not a de Polignac number, because 454439645 - 2¹² = 454435549 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 454439596 and 454439605.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (454439647) 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, 20726 + ... + 36584.

It is an arithmetic number, because the mean of its divisors is an integer number (37255140).

Almost surely, 2^454439645 is an apocalyptic number.

It is an amenable number.

454439645 is a deficient number, since it is larger than the sum of its proper divisors (141642595).

454439645 is a wasteful number, since it uses less digits than its factorization.

454439645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16396.

The product of its digits is 1036800, while the sum is 44.

The square root of 454439645 is about 21317.5900373377. The cubic root of 454439645 is about 768.8212949059.

The spelling of 454439645 in words is "four hundred fifty-four million, four hundred thirty-nine thousand, six hundred forty-five".