45106813 has 4 divisors (see below), whose sum is σ = 45528480. Its totient is φ = 44685148.

The previous prime is 45106801. The next prime is 45106823. The reversal of 45106813 is 31860154.

45106813 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 45106813 - 2⁵ = 45106781 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45106823) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 210673 + ... + 210886.

It is an arithmetic number, because the mean of its divisors is an integer number (11382120).

Almost surely, 2^45106813 is an apocalyptic number.

It is an amenable number.

45106813 is a deficient number, since it is larger than the sum of its proper divisors (421667).

45106813 is a wasteful number, since it uses less digits than its factorization.

45106813 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 421666.

The product of its (nonzero) digits is 2880, while the sum is 28.

The square root of 45106813 is about 6716.1605847389. The cubic root of 45106813 is about 355.9705321104.

Adding to 45106813 its reverse (31860154), we get a palindrome (76966967).

The spelling of 45106813 in words is "forty-five million, one hundred six thousand, eight hundred thirteen".