539493145 has 16 divisors (see below), whose sum is σ = 663320448. Its totient is φ = 421102080.

The previous prime is 539493139. The next prime is 539493161. The reversal of 539493145 is 541394935.

It is a happy number.

It is not a de Polignac number, because 539493145 - 2³ = 539493137 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26602 + ... + 42268.

It is an arithmetic number, because the mean of its divisors is an integer number (41457528).

Almost surely, 2^539493145 is an apocalyptic number.

It is an amenable number.

539493145 is a deficient number, since it is larger than the sum of its proper divisors (123827303).

539493145 is a wasteful number, since it uses less digits than its factorization.

539493145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15840.

The product of its digits is 291600, while the sum is 43.

The square root of 539493145 is about 23226.9917337567. The cubic root of 539493145 is about 814.0704244559.

The spelling of 539493145 in words is "five hundred thirty-nine million, four hundred ninety-three thousand, one hundred forty-five".