45345687 has 12 divisors (see below), whose sum is σ = 61634664. Its totient is φ = 29654560.

The previous prime is 45345679. The next prime is 45345701. The reversal of 45345687 is 78654354.

It is not a de Polignac number, because 45345687 - 2³ = 45345679 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45345887) 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 11 ways as a sum of consecutive naturals, for example, 5737 + ... + 11117.

It is an arithmetic number, because the mean of its divisors is an integer number (5136222).

Almost surely, 2^45345687 is an apocalyptic number.

45345687 is a deficient number, since it is larger than the sum of its proper divisors (16288977).

45345687 is an equidigital number, since it uses as much as digits as its factorization.

45345687 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5490 (or 5437 counting only the distinct ones).

The product of its digits is 403200, while the sum is 42.

The square root of 45345687 is about 6733.9206262028. The cubic root of 45345687 is about 356.5978020402.

The spelling of 45345687 in words is "forty-five million, three hundred forty-five thousand, six hundred eighty-seven".