539461145 has 4 divisors (see below), whose sum is σ = 647353380. Its totient is φ = 431568912.

The previous prime is 539461141. The next prime is 539461171. The reversal of 539461145 is 541164935.

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 321987136 + 217474009 = 17944^2 + 14747^2 .

It is a cyclic number.

It is not a de Polignac number, because 539461145 - 2² = 539461141 is a prime.

It is a super-2 number, since 2×539461145² = 582036653929422050, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 539461099 and 539461108.

It is not an unprimeable number, because it can be changed into a prime (539461141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 53946110 + ... + 53946119.

It is an arithmetic number, because the mean of its divisors is an integer number (161838345).

Almost surely, 2^539461145 is an apocalyptic number.

It is an amenable number.

539461145 is a deficient number, since it is larger than the sum of its proper divisors (107892235).

539461145 is a wasteful number, since it uses less digits than its factorization.

539461145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107892234.

The product of its digits is 64800, while the sum is 38.

The square root of 539461145 is about 23226.3028698069. The cubic root of 539461145 is about 814.0543286266.

The spelling of 539461145 in words is "five hundred thirty-nine million, four hundred sixty-one thousand, one hundred forty-five".