945878543 has 4 divisors (see below), whose sum is σ = 959200848. Its totient is φ = 932556240.

The previous prime is 945878537. The next prime is 945878567. The reversal of 945878543 is 345878549.

945878543 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 345878549 = 17 ⋅20345797.

It is a cyclic number.

It is not a de Polignac number, because 945878543 - 2¹⁰ = 945877519 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (945878503) 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, 6661046 + ... + 6661187.

It is an arithmetic number, because the mean of its divisors is an integer number (239800212).

Almost surely, 2^945878543 is an apocalyptic number.

945878543 is a deficient number, since it is larger than the sum of its proper divisors (13322305).

945878543 is a wasteful number, since it uses less digits than its factorization.

945878543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13322304.

The product of its digits is 4838400, while the sum is 53.

The square root of 945878543 is about 30755.1384812359. The cubic root of 945878543 is about 981.6239017667.

The spelling of 945878543 in words is "nine hundred forty-five million, eight hundred seventy-eight thousand, five hundred forty-three".