454348985 has 4 divisors (see below), whose sum is σ = 545218788. Its totient is φ = 363479184.

The previous prime is 454348949. The next prime is 454348997. The reversal of 454348985 is 589843454.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 589843454 = 2 ⋅294921727.

It can be written as a sum of positive squares in 2 ways, for example, as 234212416 + 220136569 = 15304^2 + 14837^2 .

It is a cyclic number.

It is not a de Polignac number, because 454348985 - 2²² = 450154681 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 45434894 + ... + 45434903.

It is an arithmetic number, because the mean of its divisors is an integer number (136304697).

Almost surely, 2^454348985 is an apocalyptic number.

It is an amenable number.

454348985 is a deficient number, since it is larger than the sum of its proper divisors (90869803).

454348985 is an equidigital number, since it uses as much as digits as its factorization.

454348985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90869802.

The product of its digits is 2764800, while the sum is 50.

The square root of 454348985 is about 21315.4635183005. The cubic root of 454348985 is about 768.7701652894.

The spelling of 454348985 in words is "four hundred fifty-four million, three hundred forty-eight thousand, nine hundred eighty-five".