45130555 has 4 divisors (see below), whose sum is σ = 54156672. Its totient is φ = 36104440.

The previous prime is 45130549. The next prime is 45130601. The reversal of 45130555 is 55503154.

45130555 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.

It is not a de Polignac number, because 45130555 - 2¹⁷ = 44999483 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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, 4513051 + ... + 4513060.

It is an arithmetic number, because the mean of its divisors is an integer number (13539168).

Almost surely, 2^45130555 is an apocalyptic number.

45130555 is a deficient number, since it is larger than the sum of its proper divisors (9026117).

45130555 is an equidigital number, since it uses as much as digits as its factorization.

45130555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9026116.

The product of its (nonzero) digits is 7500, while the sum is 28.

The square root of 45130555 is about 6717.9278799344. The cubic root of 45130555 is about 356.0329762619.

The spelling of 45130555 in words is "forty-five million, one hundred thirty thousand, five hundred fifty-five".