449190545 has 8 divisors (see below), whose sum is σ = 553597224. Its totient is φ = 349640064.

The previous prime is 449190523. The next prime is 449190559. The reversal of 449190545 is 545091944.

It can be written as a sum of positive squares in 4 ways, for example, as 224310529 + 224880016 = 14977^2 + 14996^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 449190545 - 2⁸ = 449190289 is a prime.

It is a Duffinian number.

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 7 ways as a sum of consecutive naturals, for example, 1213844 + ... + 1214213.

It is an arithmetic number, because the mean of its divisors is an integer number (69199653).

Almost surely, 2^449190545 is an apocalyptic number.

It is an amenable number.

449190545 is a deficient number, since it is larger than the sum of its proper divisors (104406679).

449190545 is a wasteful number, since it uses less digits than its factorization.

449190545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2428099.

The product of its (nonzero) digits is 129600, while the sum is 41.

The square root of 449190545 is about 21194.1158107622. The cubic root of 449190545 is about 765.8496803201.

The spelling of 449190545 in words is "four hundred forty-nine million, one hundred ninety thousand, five hundred forty-five".