45537005 has 4 divisors (see below), whose sum is σ = 54644412. Its totient is φ = 36429600.

The previous prime is 45537001. The next prime is 45537029. The reversal of 45537005 is 50073554.

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

It can be written as a sum of positive squares in 2 ways, for example, as 7431076 + 38105929 = 2726^2 + 6173^2 .

It is not a de Polignac number, because 45537005 - 2² = 45537001 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 (45537001) 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, 4553696 + ... + 4553705.

It is an arithmetic number, because the mean of its divisors is an integer number (13661103).

Almost surely, 2^45537005 is an apocalyptic number.

It is an amenable number.

45537005 is a deficient number, since it is larger than the sum of its proper divisors (9107407).

45537005 is an equidigital number, since it uses as much as digits as its factorization.

45537005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9107406.

The product of its (nonzero) digits is 10500, while the sum is 29.

The square root of 45537005 is about 6748.1112172222. Note that the first 3 decimals coincide. The cubic root of 45537005 is about 357.0986056792.

The spelling of 45537005 in words is "forty-five million, five hundred thirty-seven thousand, five".