454945194 has 64 divisors (see below), whose sum is σ = 1167799680. Its totient is φ = 129749760.

The previous prime is 454945171. The next prime is 454945213. The reversal of 454945194 is 491549454.

454945194 is a `hidden beast` number, since 45 + 4 + 94 + 519 + 4 = 666.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12429 + ... + 32624.

It is an arithmetic number, because the mean of its divisors is an integer number (18246870).

Almost surely, 2^454945194 is an apocalyptic number.

454945194 is an abundant number, since it is smaller than the sum of its proper divisors (712854486).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

454945194 is a wasteful number, since it uses less digits than its factorization.

454945194 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45092 (or 45086 counting only the distinct ones).

The product of its digits is 518400, while the sum is 45.

The square root of 454945194 is about 21329.4442965587. Note that the first 3 decimals coincide. The cubic root of 454945194 is about 769.1062852965.

The spelling of 454945194 in words is "four hundred fifty-four million, nine hundred forty-five thousand, one hundred ninety-four".