45523013 has 4 divisors (see below), whose sum is σ = 45965088. Its totient is φ = 45080940.

The previous prime is 45523001. The next prime is 45523021. The reversal of 45523013 is 31032554.

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 45523013 - 2¹⁰ = 45521989 is a prime.

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 45523013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45523073) 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, 220883 + ... + 221088.

It is an arithmetic number, because the mean of its divisors is an integer number (11491272).

Almost surely, 2^45523013 is an apocalyptic number.

It is an amenable number.

45523013 is a deficient number, since it is larger than the sum of its proper divisors (442075).

45523013 is a wasteful number, since it uses less digits than its factorization.

45523013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 442074.

The product of its (nonzero) digits is 1800, while the sum is 23.

The square root of 45523013 is about 6747.0744030283. The cubic root of 45523013 is about 357.0620271095.

Adding to 45523013 its reverse (31032554), we get a palindrome (76555567).

The spelling of 45523013 in words is "forty-five million, five hundred twenty-three thousand, thirteen".