544161445 has 24 divisors (see below), whose sum is σ = 678854520. Its totient is φ = 418723200.

The previous prime is 544161433. The next prime is 544161461.

544161445 is nontrivially palindromic in base 10.

It can be written as a sum of positive squares in 4 ways, for example, as 47361924 + 496799521 = 6882^2 + 22289^2 .

It is not a de Polignac number, because 544161445 - 2¹¹ = 544159397 is a prime.

It is a super-2 number, since 2×544161445² = 592223356448976050, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 544161445.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1292335 + ... + 1292755.

It is an arithmetic number, because the mean of its divisors is an integer number (28285605).

Almost surely, 2^544161445 is an apocalyptic number.

It is an amenable number.

544161445 is a deficient number, since it is larger than the sum of its proper divisors (134693075).

544161445 is a wasteful number, since it uses less digits than its factorization.

544161445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 757 (or 726 counting only the distinct ones).

The product of its digits is 38400, while the sum is 34.

The square root of 544161445 is about 23327.2682712743. The cubic root of 544161445 is about 816.4117676422.

The spelling of 544161445 in words is "five hundred forty-four million, one hundred sixty-one thousand, four hundred forty-five".