1324113545 has 4 divisors (see below), whose sum is σ = 1588936260. Its totient is φ = 1059290832.

The previous prime is 1324113541. The next prime is 1324113589. The reversal of 1324113545 is 5453114231.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5453114231 = 2143 ⋅2544617.

It can be written as a sum of positive squares in 2 ways, for example, as 1024512064 + 299601481 = 32008^2 + 17309^2 .

It is a cyclic number.

It is not a de Polignac number, because 1324113545 - 2² = 1324113541 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1324113541) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 132411350 + ... + 132411359.

It is an arithmetic number, because the mean of its divisors is an integer number (397234065).

Almost surely, 2^1324113545 is an apocalyptic number.

It is an amenable number.

1324113545 is a deficient number, since it is larger than the sum of its proper divisors (264822715).

1324113545 is an equidigital number, since it uses as much as digits as its factorization.

1324113545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 264822714.

The product of its digits is 7200, while the sum is 29.

The square root of 1324113545 is about 36388.3710132784. The cubic root of 1324113545 is about 1098.0996237312.

Adding to 1324113545 its reverse (5453114231), we get a palindrome (6777227776).

The spelling of 1324113545 in words is "one billion, three hundred twenty-four million, one hundred thirteen thousand, five hundred forty-five".