543115145 has 4 divisors (see below), whose sum is σ = 651738180. Its totient is φ = 434492112.

The previous prime is 543115141. The next prime is 543115163. The reversal of 543115145 is 541511345.

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 391406656 + 151708489 = 19784^2 + 12317^2 .

It is a cyclic number.

It is not a de Polignac number, because 543115145 - 2² = 543115141 is a prime.

It is not an unprimeable number, because it can be changed into a prime (543115141) 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, 54311510 + ... + 54311519.

It is an arithmetic number, because the mean of its divisors is an integer number (162934545).

Almost surely, 2^543115145 is an apocalyptic number.

It is an amenable number.

543115145 is a deficient number, since it is larger than the sum of its proper divisors (108623035).

543115145 is a wasteful number, since it uses less digits than its factorization.

543115145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108623034.

The product of its digits is 6000, while the sum is 29.

The square root of 543115145 is about 23304.8309369538. The cubic root of 543115145 is about 815.8881732129. Note that the first 3 decimals are identical.

The spelling of 543115145 in words is "five hundred forty-three million, one hundred fifteen thousand, one hundred forty-five".