45006539 has 4 divisors (see below), whose sum is σ = 45024024. Its totient is φ = 44989056.

The previous prime is 45006523. The next prime is 45006551. The reversal of 45006539 is 93560054.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 45006539 - 2⁴ = 45006523 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45006569) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4037 + ... + 10310.

It is an arithmetic number, because the mean of its divisors is an integer number (11256006).

Almost surely, 2^45006539 is an apocalyptic number.

45006539 is a deficient number, since it is larger than the sum of its proper divisors (17485).

45006539 is a wasteful number, since it uses less digits than its factorization.

45006539 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17484.

The product of its (nonzero) digits is 16200, while the sum is 32.

The square root of 45006539 is about 6708.6913030784. The cubic root of 45006539 is about 355.7065581518.

The spelling of 45006539 in words is "forty-five million, six thousand, five hundred thirty-nine".