449349345 has 48 divisors (see below), whose sum is σ = 813795840. Its totient is φ = 229074048.

The previous prime is 449349343. The next prime is 449349409. The reversal of 449349345 is 543943944.

It is not a de Polignac number, because 449349345 - 2¹ = 449349343 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 449349345.

It is not an unprimeable number, because it can be changed into a prime (449349343) by changing a digit.

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 47 ways as a sum of consecutive naturals, for example, 132744 + ... + 136086.

It is an arithmetic number, because the mean of its divisors is an integer number (16954080).

Almost surely, 2^449349345 is an apocalyptic number.

449349345 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

449349345 is a deficient number, since it is larger than the sum of its proper divisors (364446495).

449349345 is a wasteful number, since it uses less digits than its factorization.

449349345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3486 (or 3483 counting only the distinct ones).

The product of its digits is 933120, while the sum is 45.

The square root of 449349345 is about 21197.8618025498. The cubic root of 449349345 is about 765.9399186402.

The spelling of 449349345 in words is "four hundred forty-nine million, three hundred forty-nine thousand, three hundred forty-five".