454140553 has 4 divisors (see below), whose sum is σ = 466414660. Its totient is φ = 441866448.

The previous prime is 454140529. The next prime is 454140563. The reversal of 454140553 is 355041454.

It is a happy number.

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 246866944 + 207273609 = 15712^2 + 14397^2 .

It is a cyclic number.

It is not a de Polignac number, because 454140553 - 2⁵ = 454140521 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (454140563) 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, 6136998 + ... + 6137071.

It is an arithmetic number, because the mean of its divisors is an integer number (116603665).

Almost surely, 2^454140553 is an apocalyptic number.

It is an amenable number.

454140553 is a deficient number, since it is larger than the sum of its proper divisors (12274107).

454140553 is a wasteful number, since it uses less digits than its factorization.

454140553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12274106.

The product of its (nonzero) digits is 24000, while the sum is 31.

The square root of 454140553 is about 21310.5737369973. The cubic root of 454140553 is about 768.6525898739.

Subtracting from 454140553 its reverse (355041454), we obtain a palindrome (99099099).

The spelling of 454140553 in words is "four hundred fifty-four million, one hundred forty thousand, five hundred fifty-three".