454005205 has 4 divisors (see below), whose sum is σ = 544806252. Its totient is φ = 363204160.

The previous prime is 454005203. The next prime is 454005217. The reversal of 454005205 is 502500454.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 502500454 = 2 ⋅251250227.

It can be written as a sum of positive squares in 2 ways, for example, as 206698129 + 247307076 = 14377^2 + 15726^2 .

It is not a de Polignac number, because 454005205 - 2¹ = 454005203 is a prime.

It is a super-2 number, since 2×454005205² = 412241452334184050, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 454005205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (454005203) 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, 45400516 + ... + 45400525.

It is an arithmetic number, because the mean of its divisors is an integer number (136201563).

Almost surely, 2^454005205 is an apocalyptic number.

It is an amenable number.

454005205 is a deficient number, since it is larger than the sum of its proper divisors (90801047).

454005205 is an equidigital number, since it uses as much as digits as its factorization.

454005205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90801046.

The product of its (nonzero) digits is 4000, while the sum is 25.

The square root of 454005205 is about 21307.3978936894. The cubic root of 454005205 is about 768.5762214993.

Adding to 454005205 its reverse (502500454), we get a palindrome (956505659).

It can be divided in two parts, 45400 and 5205, that added together give a palindrome (50605).

The spelling of 454005205 in words is "four hundred fifty-four million, five thousand, two hundred five".