454550945 has 4 divisors (see below), whose sum is σ = 545461140. Its totient is φ = 363640752.

The previous prime is 454550933. The next prime is 454550951. The reversal of 454550945 is 549055454.

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 254498209 + 200052736 = 15953^2 + 14144^2 .

It is a cyclic number.

It is not a de Polignac number, because 454550945 - 2²⁰ = 453502369 is a prime.

It is a Curzon 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, 45455090 + ... + 45455099.

It is an arithmetic number, because the mean of its divisors is an integer number (136365285).

Almost surely, 2^454550945 is an apocalyptic number.

It is an amenable number.

454550945 is a deficient number, since it is larger than the sum of its proper divisors (90910195).

454550945 is an equidigital number, since it uses as much as digits as its factorization.

454550945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90910194.

The product of its (nonzero) digits is 360000, while the sum is 41.

The square root of 454550945 is about 21320.2003977449. The cubic root of 454550945 is about 768.8840555872.

The spelling of 454550945 in words is "four hundred fifty-four million, five hundred fifty thousand, nine hundred forty-five".