45349 has 4 divisors (see below), whose sum is σ = 45900. Its totient is φ = 44800.

The previous prime is 45343. The next prime is 45361. The reversal of 45349 is 94354.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 37249 + 8100 = 193^2 + 90^2 .

It is a cyclic number.

It is not a de Polignac number, because 45349 - 2³ = 45341 is a prime.

It is an Ulam number.

It is a Duffinian number.

45349 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45341) 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, 124 + ... + 325.

It is an arithmetic number, because the mean of its divisors is an integer number (11475).

2⁴⁵³⁴⁹ is an apocalyptic number.

It is an amenable number.

45349 is a deficient number, since it is larger than the sum of its proper divisors (551).

45349 is a wasteful number, since it uses less digits than its factorization.

45349 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 550.

The product of its digits is 2160, while the sum is 25.

The square root of 45349 is about 212.9530464680. The cubic root of 45349 is about 35.6606486289.

The spelling of 45349 in words is "forty-five thousand, three hundred forty-nine".