449145443 has 4 divisors (see below), whose sum is σ = 452006400. Its totient is φ = 446284488.

The previous prime is 449145407. The next prime is 449145461. The reversal of 449145443 is 344541944.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 449145443 - 2⁸ = 449145187 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 449145397 and 449145406.

It is not an unprimeable number, because it can be changed into a prime (449145343) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1430243 + ... + 1430556.

It is an arithmetic number, because the mean of its divisors is an integer number (113001600).

Almost surely, 2^449145443 is an apocalyptic number.

449145443 is a deficient number, since it is larger than the sum of its proper divisors (2860957).

449145443 is a wasteful number, since it uses less digits than its factorization.

449145443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2860956.

The product of its digits is 138240, while the sum is 38.

The square root of 449145443 is about 21193.0517623112. The cubic root of 449145443 is about 765.8240471682.

The spelling of 449145443 in words is "four hundred forty-nine million, one hundred forty-five thousand, four hundred forty-three".