543403145 has 4 divisors (see below), whose sum is σ = 652083780. Its totient is φ = 434722512.

The previous prime is 543403109. The next prime is 543403151. The reversal of 543403145 is 541304345.

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 434639104 + 108764041 = 20848^2 + 10429^2 .

It is a cyclic number.

It is not a de Polignac number, because 543403145 - 2²² = 539208841 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 54340310 + ... + 54340319.

It is an arithmetic number, because the mean of its divisors is an integer number (163020945).

Almost surely, 2^543403145 is an apocalyptic number.

It is an amenable number.

543403145 is a deficient number, since it is larger than the sum of its proper divisors (108680635).

543403145 is a wasteful number, since it uses less digits than its factorization.

543403145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108680634.

The product of its (nonzero) digits is 14400, while the sum is 29.

The square root of 543403145 is about 23311.0090944172. The cubic root of 543403145 is about 816.0323625709.

The spelling of 543403145 in words is "five hundred forty-three million, four hundred three thousand, one hundred forty-five".