4545807823 has 8 divisors (see below), whose sum is σ = 4685483088. Its totient is φ = 4407676224.

The previous prime is 4545807821. The next prime is 4545807829. The reversal of 4545807823 is 3287085454.

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 4545807823 - 2¹ = 4545807821 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 (4545807821) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 379936 + ... + 391717.

It is an arithmetic number, because the mean of its divisors is an integer number (585685386).

Almost surely, 2^4545807823 is an apocalyptic number.

4545807823 is a gapful number since it is divisible by the number (43) formed by its first and last digit.

4545807823 is a deficient number, since it is larger than the sum of its proper divisors (139675265).

4545807823 is a wasteful number, since it uses less digits than its factorization.

4545807823 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 771833.

The product of its (nonzero) digits is 1075200, while the sum is 46.

The square root of 4545807823 is about 67422.6061718175. The cubic root of 4545807823 is about 1656.5467263255.

The spelling of 4545807823 in words is "four billion, five hundred forty-five million, eight hundred seven thousand, eight hundred twenty-three".