45125805 has 16 divisors (see below), whose sum is σ = 72572544. Its totient is φ = 23943360.

The previous prime is 45125783. The next prime is 45125807. The reversal of 45125805 is 50852154.

It is not a de Polignac number, because 45125805 - 2¹⁶ = 45060269 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45125807) 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 15 ways as a sum of consecutive naturals, for example, 4681 + ... + 10590.

It is an arithmetic number, because the mean of its divisors is an integer number (4535784).

Almost surely, 2^45125805 is an apocalyptic number.

It is an amenable number.

45125805 is a deficient number, since it is larger than the sum of its proper divisors (27446739).

45125805 is a wasteful number, since it uses less digits than its factorization.

45125805 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15476.

The product of its (nonzero) digits is 8000, while the sum is 30.

The square root of 45125805 is about 6717.5743390006. The cubic root of 45125805 is about 356.0204849762.

Adding to 45125805 its reverse (50852154), we get a palindrome (95977959).

The spelling of 45125805 in words is "forty-five million, one hundred twenty-five thousand, eight hundred five".