543145045 has 4 divisors (see below), whose sum is σ = 651774060. Its totient is φ = 434516032.

The previous prime is 543145021. The next prime is 543145063. The reversal of 543145045 is 540541345.

It is a happy number.

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 388838961 + 154306084 = 19719^2 + 12422^2 .

It is a cyclic number.

It is not a de Polignac number, because 543145045 - 2⁵ = 543145013 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 543144998 and 543145016.

It is a congruent number.

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, 54314500 + ... + 54314509.

It is an arithmetic number, because the mean of its divisors is an integer number (162943515).

Almost surely, 2^543145045 is an apocalyptic number.

It is an amenable number.

543145045 is a deficient number, since it is larger than the sum of its proper divisors (108629015).

543145045 is a wasteful number, since it uses less digits than its factorization.

543145045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108629014.

The product of its (nonzero) digits is 24000, while the sum is 31.

The square root of 543145045 is about 23305.4724260205. The cubic root of 543145045 is about 815.9031452429.

The spelling of 543145045 in words is "five hundred forty-three million, one hundred forty-five thousand, forty-five".