45618513 has 4 divisors (see below), whose sum is σ = 60824688. Its totient is φ = 30412340.

The previous prime is 45618511. The next prime is 45618533. The reversal of 45618513 is 31581654.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 45618513 - 2¹ = 45618511 is a prime.

It is not an unprimeable number, because it can be changed into a prime (45618511) 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, 7603083 + ... + 7603088.

It is an arithmetic number, because the mean of its divisors is an integer number (15206172).

Almost surely, 2^45618513 is an apocalyptic number.

It is an amenable number.

45618513 is a deficient number, since it is larger than the sum of its proper divisors (15206175).

45618513 is a wasteful number, since it uses less digits than its factorization.

45618513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15206174.

The product of its digits is 14400, while the sum is 33.

The square root of 45618513 is about 6754.1478367001. The cubic root of 45618513 is about 357.3115390527.

The spelling of 45618513 in words is "forty-five million, six hundred eighteen thousand, five hundred thirteen".