45604039 has 4 divisors (see below), whose sum is σ = 49112056. Its totient is φ = 42096024.

The previous prime is 45604021. The next prime is 45604043. The reversal of 45604039 is 93040654.

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 45604039 - 2⁹ = 45603527 is a prime.

It is a super-3 number, since 3×45604039³ (a number of 24 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

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 45604039.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45604079) 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, 1753989 + ... + 1754014.

It is an arithmetic number, because the mean of its divisors is an integer number (12278014).

Almost surely, 2^45604039 is an apocalyptic number.

45604039 is a deficient number, since it is larger than the sum of its proper divisors (3508017).

45604039 is a wasteful number, since it uses less digits than its factorization.

45604039 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3508016.

The product of its (nonzero) digits is 12960, while the sum is 31.

The square root of 45604039 is about 6753.0762619713. The cubic root of 45604039 is about 357.2737453739.

The spelling of 45604039 in words is "forty-five million, six hundred four thousand, thirty-nine".