544745547445 has 16 divisors (see below), whose sum is σ = 713252900160. Its totient is φ = 396105548800.

The previous prime is 544745547443. The next prime is 544745547487.

544745547445 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 544745547445 - 2¹ = 544745547443 is a prime.

It is a super-2 number, since 2×544745547445² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 544745547445.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (544745547443) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 610915 + ... + 1209424.

It is an arithmetic number, because the mean of its divisors is an integer number (44578306260).

Almost surely, 2^544745547445 is an apocalyptic number.

544745547445 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

544745547445 is a deficient number, since it is larger than the sum of its proper divisors (168507352715).

544745547445 is a wasteful number, since it uses less digits than its factorization.

544745547445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1825796.

The product of its digits is 125440000, while the sum is 58.

The spelling of 544745547445 in words is "five hundred forty-four billion, seven hundred forty-five million, five hundred forty-seven thousand, four hundred forty-five".