45449 has 4 divisors (see below), whose sum is σ = 46464. Its totient is φ = 44436.

The previous prime is 45439. The next prime is 45481. The reversal of 45449 is 94454.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 45449 - 2⁴ = 45433 is a prime.

It is a super-2 number, since 2×45449² = 4131223202, which contains 22 as substring.

It is a Duffinian number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 45449.

It is not an unprimeable number, because it can be changed into a prime (45439) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 437 + ... + 530.

It is an arithmetic number, because the mean of its divisors is an integer number (11616).

2⁴⁵⁴⁴⁹ is an apocalyptic number.

It is an amenable number.

45449 is a deficient number, since it is larger than the sum of its proper divisors (1015).

45449 is an equidigital number, since it uses as much as digits as its factorization.

45449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1014.

The product of its digits is 2880, while the sum is 26.

The square root of 45449 is about 213.1877107152. The cubic root of 45449 is about 35.6868413922.

It can be divided in two parts, 45 and 449, that added together give a palindrome (494).

The spelling of 45449 in words is "forty-five thousand, four hundred forty-nine".