544531345 has 4 divisors (see below), whose sum is σ = 653437620. Its totient is φ = 435625072.

The previous prime is 544531333. The next prime is 544531367. The reversal of 544531345 is 543135445.

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 322849024 + 221682321 = 17968^2 + 14889^2 .

It is a cyclic number.

It is not a de Polignac number, because 544531345 - 2⁵ = 544531313 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 544531345.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 54453130 + ... + 54453139.

It is an arithmetic number, because the mean of its divisors is an integer number (163359405).

Almost surely, 2^544531345 is an apocalyptic number.

It is an amenable number.

544531345 is a deficient number, since it is larger than the sum of its proper divisors (108906275).

544531345 is a wasteful number, since it uses less digits than its factorization.

544531345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108906274.

The product of its digits is 72000, while the sum is 34.

The square root of 544531345 is about 23335.1954137950. The cubic root of 544531345 is about 816.5967141712.

The spelling of 544531345 in words is "five hundred forty-four million, five hundred thirty-one thousand, three hundred forty-five".