45543313 has 4 divisors (see below), whose sum is σ = 46167268. Its totient is φ = 44919360.

The previous prime is 45543301. The next prime is 45543319. The reversal of 45543313 is 31334554.

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

It can be written as a sum of positive squares in 2 ways, for example, as 18378369 + 27164944 = 4287^2 + 5212^2 .

It is a cyclic number.

It is not a de Polignac number, because 45543313 - 2⁹ = 45542801 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45543319) 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, 311868 + ... + 312013.

It is an arithmetic number, because the mean of its divisors is an integer number (11541817).

Almost surely, 2^45543313 is an apocalyptic number.

It is an amenable number.

45543313 is a deficient number, since it is larger than the sum of its proper divisors (623955).

45543313 is an equidigital number, since it uses as much as digits as its factorization.

45543313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 623954.

The product of its digits is 10800, while the sum is 28.

The square root of 45543313 is about 6748.5785910812. The cubic root of 45543313 is about 357.1150939104.

Adding to 45543313 its reverse (31334554), we get a palindrome (76877867).

The spelling of 45543313 in words is "forty-five million, five hundred forty-three thousand, three hundred thirteen".