45345 has 8 divisors (see below), whose sum is σ = 72576. Its totient is φ = 24176.

The previous prime is 45343. The next prime is 45361. The reversal of 45345 is 54354.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 45345 - 2¹ = 45343 is a prime.

It is not an unprimeable number, because it can be changed into a prime (45341) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1497 + ... + 1526.

It is an arithmetic number, because the mean of its divisors is an integer number (9072).

2⁴⁵³⁴⁵ is an apocalyptic number.

It is an amenable number.

45345 is a deficient number, since it is larger than the sum of its proper divisors (27231).

45345 is a wasteful number, since it uses less digits than its factorization.

45345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3031.

The product of its digits is 1200, while the sum is 21.

The square root of 45345 is about 212.9436545192. The cubic root of 45345 is about 35.6596001179.

Adding to 45345 its reverse (54354), we get a palindrome (99699).

Subtracting 45345 from its reverse (54354), we obtain a palindrome (9009).

The spelling of 45345 in words is "forty-five thousand, three hundred forty-five".