449133145 has 4 divisors (see below), whose sum is σ = 538959780. Its totient is φ = 359306512.

The previous prime is 449133131. The next prime is 449133187. The reversal of 449133145 is 541331944.

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 318693904 + 130439241 = 17852^2 + 11421^2 .

It is a cyclic number.

It is not a de Polignac number, because 449133145 - 2¹³ = 449124953 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 449133145.

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, 44913310 + ... + 44913319.

It is an arithmetic number, because the mean of its divisors is an integer number (134739945).

Almost surely, 2^449133145 is an apocalyptic number.

It is an amenable number.

449133145 is a deficient number, since it is larger than the sum of its proper divisors (89826635).

449133145 is an equidigital number, since it uses as much as digits as its factorization.

449133145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89826634.

The product of its digits is 25920, while the sum is 34.

The square root of 449133145 is about 21192.7616180620. The cubic root of 449133145 is about 765.8170574576.

It can be divided in two parts, 4491 and 33145, that added together give a square (37636 = 194²).

The spelling of 449133145 in words is "four hundred forty-nine million, one hundred thirty-three thousand, one hundred forty-five".