4545340423 has 4 divisors (see below), whose sum is σ = 4894982008. Its totient is φ = 4195698840.

The previous prime is 4545340411. The next prime is 4545340453. The reversal of 4545340423 is 3240435454.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4545340423 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4545340403) 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, 174820773 + ... + 174820798.

It is an arithmetic number, because the mean of its divisors is an integer number (1223745502).

Almost surely, 2^4545340423 is an apocalyptic number.

4545340423 is a deficient number, since it is larger than the sum of its proper divisors (349641585).

4545340423 is a wasteful number, since it uses less digits than its factorization.

4545340423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 349641584.

The product of its (nonzero) digits is 115200, while the sum is 34.

The square root of 4545340423 is about 67419.1398862371. The cubic root of 4545340423 is about 1656.4899489965.

Adding to 4545340423 its reverse (3240435454), we get a palindrome (7785775877).

The spelling of 4545340423 in words is "four billion, five hundred forty-five million, three hundred forty thousand, four hundred twenty-three".