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BaseRepresentation
bin100000011011101…
…100100001001001
31101220212201121101
4200123230201021
52103244144040
6125554341401
716325016115
oct4033544111
91356781541
10544131145
1125a169868
1213228a861
13889670bc
14523a2745
1532b8409a
hex206ec849

544131145 has 4 divisors (see below), whose sum is σ = 652957380. Its totient is φ = 435304912.

The previous prime is 544131143. The next prime is 544131157. The reversal of 544131145 is 541131445.

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 219158416 + 324972729 = 14804^2 + 18027^2 .

It is a cyclic number.

It is not a de Polignac number, because 544131145 - 21 = 544131143 is a prime.

It is a super-2 number, since 2×5441311452 = 592157405918022050, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (544131143) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 54413110 + ... + 54413119.

It is an arithmetic number, because the mean of its divisors is an integer number (163239345).

Almost surely, 2544131145 is an apocalyptic number.

It is an amenable number.

544131145 is a deficient number, since it is larger than the sum of its proper divisors (108826235).

544131145 is a wasteful number, since it uses less digits than its factorization.

544131145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108826234.

The product of its digits is 4800, while the sum is 28.

The square root of 544131145 is about 23326.6188077055. The cubic root of 544131145 is about 816.3966142130.

The spelling of 544131145 in words is "five hundred forty-four million, one hundred thirty-one thousand, one hundred forty-five".

Divisors: 1 5 108826229 544131145