544444445 has 8 divisors (see below), whose sum is σ = 653478144. Its totient is φ = 435459024.

The previous prime is 544444423. The next prime is 544444447.

544444445 is nontrivially palindromic in base 10.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 544444445 - 2¹⁶ = 544378909 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 544444399 and 544444408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (544444447) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20972 + ... + 39098.

It is an arithmetic number, because the mean of its divisors is an integer number (81684768).

Almost surely, 2^544444445 is an apocalyptic number.

It is an amenable number.

544444445 is a deficient number, since it is larger than the sum of its proper divisors (109033699).

544444445 is a wasteful number, since it uses less digits than its factorization.

544444445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24139.

The product of its digits is 409600, while the sum is 38.

The square root of 544444445 is about 23333.3333452381. Note that the first 4 decimals coincide. The cubic root of 544444445 is about 816.5532725155.

The spelling of 544444445 in words is "five hundred forty-four million, four hundred forty-four thousand, four hundred forty-five".