449495154 has 24 divisors (see below), whose sum is σ = 980448300. Its totient is φ = 148825248.

The previous prime is 449495149. The next prime is 449495243. The reversal of 449495154 is 451594944.

449495154 is a `hidden beast` number, since 4 + 4 + 9 + 495 + 154 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 389075625 + 60419529 = 19725^2 + 7773^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 81117 + ... + 86480.

Almost surely, 2^449495154 is an apocalyptic number.

449495154 is an abundant number, since it is smaller than the sum of its proper divisors (530953146).

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

449495154 is a wasteful number, since it uses less digits than its factorization.

449495154 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 167754 (or 167751 counting only the distinct ones).

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

The square root of 449495154 is about 21201.3007619816. The cubic root of 449495154 is about 766.0227560860.

The spelling of 449495154 in words is "four hundred forty-nine million, four hundred ninety-five thousand, one hundred fifty-four".