543444145 has 4 divisors (see below), whose sum is σ = 652132980. Its totient is φ = 434755312.

The previous prime is 543444133. The next prime is 543444157. The reversal of 543444145 is 541444345.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (543444133) and next prime (543444157).

It can be written as a sum of positive squares in 2 ways, for example, as 57638464 + 485805681 = 7592^2 + 22041^2 .

It is a cyclic number.

It is not a de Polignac number, because 543444145 - 2²⁷ = 409226417 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 543444145.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 54344410 + ... + 54344419.

It is an arithmetic number, because the mean of its divisors is an integer number (163033245).

Almost surely, 2^543444145 is an apocalyptic number.

It is an amenable number.

543444145 is a deficient number, since it is larger than the sum of its proper divisors (108688835).

543444145 is a wasteful number, since it uses less digits than its factorization.

543444145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108688834.

The product of its digits is 76800, while the sum is 34.

The square root of 543444145 is about 23311.8884906393. Note that the first 3 decimals coincide. The cubic root of 543444145 is about 816.0528853852.

The spelling of 543444145 in words is "five hundred forty-three million, four hundred forty-four thousand, one hundred forty-five".