544145 has 12 divisors (see below), whose sum is σ = 759924. Its totient is φ = 372960.

The previous prime is 544139. The next prime is 544171. The reversal of 544145 is 541445.

It can be written as a sum of positive squares in 2 ways, for example, as 283024 + 261121 = 532^2 + 511^2 .

It is not a de Polignac number, because 544145 - 2⁴ = 544129 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 544145.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 866 + ... + 1355.

It is an arithmetic number, because the mean of its divisors is an integer number (63327).

2⁵⁴⁴¹⁴⁵ is an apocalyptic number.

It is an amenable number.

544145 is a deficient number, since it is larger than the sum of its proper divisors (215779).

544145 is a wasteful number, since it uses less digits than its factorization.

544145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2240 (or 2233 counting only the distinct ones).

The product of its digits is 1600, while the sum is 23.

The square root of 544145 is about 737.6618466479. The cubic root of 544145 is about 81.6403543351.

The spelling of 544145 in words is "five hundred forty-four thousand, one hundred forty-five".