544604545 has 4 divisors (see below), whose sum is σ = 653525460. Its totient is φ = 435683632.

The previous prime is 544604531. The next prime is 544604551. The reversal of 544604545 is 545406445.

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 428158864 + 116445681 = 20692^2 + 10791^2 .

It is a cyclic number.

It is not a de Polignac number, because 544604545 - 2⁹ = 544604033 is a prime.

It is a super-2 number, since 2×544604545² = 593188220869314050, which contains 22 as substring.

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, 54460450 + ... + 54460459.

It is an arithmetic number, because the mean of its divisors is an integer number (163381365).

Almost surely, 2^544604545 is an apocalyptic number.

It is an amenable number.

544604545 is a deficient number, since it is larger than the sum of its proper divisors (108920915).

544604545 is a wasteful number, since it uses less digits than its factorization.

544604545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108920914.

The product of its (nonzero) digits is 192000, while the sum is 37.

The square root of 544604545 is about 23336.7638073491. The cubic root of 544604545 is about 816.6333035563.

The spelling of 544604545 in words is "five hundred forty-four million, six hundred four thousand, five hundred forty-five".