449619145 has 8 divisors (see below), whose sum is σ = 571280904. Its totient is φ = 338536704.

The previous prime is 449619113. The next prime is 449619151. The reversal of 449619145 is 541916944.

It can be written as a sum of positive squares in 4 ways, for example, as 23155344 + 426463801 = 4812^2 + 20651^2 .

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 449619145 - 2⁵ = 449619113 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2644734 + ... + 2644903.

It is an arithmetic number, because the mean of its divisors is an integer number (71410113).

Almost surely, 2^449619145 is an apocalyptic number.

It is an amenable number.

449619145 is a deficient number, since it is larger than the sum of its proper divisors (121661759).

449619145 is a wasteful number, since it uses less digits than its factorization.

449619145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5289659.

The product of its digits is 155520, while the sum is 43.

The square root of 449619145 is about 21204.2246969796. The cubic root of 449619145 is about 766.0931841316.

The spelling of 449619145 in words is "four hundred forty-nine million, six hundred nineteen thousand, one hundred forty-five".