45130939 has 4 divisors (see below), whose sum is σ = 51578224. Its totient is φ = 38683656.

The previous prime is 45130933. The next prime is 45130949. The reversal of 45130939 is 93903154.

45130939 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 a cyclic number.

It is not a de Polignac number, because 45130939 - 2⁵ = 45130907 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45130933) by changing a digit.

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, 3223632 + ... + 3223645.

It is an arithmetic number, because the mean of its divisors is an integer number (12894556).

Almost surely, 2^45130939 is an apocalyptic number.

45130939 is a deficient number, since it is larger than the sum of its proper divisors (6447285).

45130939 is an equidigital number, since it uses as much as digits as its factorization.

45130939 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6447284.

The product of its (nonzero) digits is 14580, while the sum is 34.

The square root of 45130939 is about 6717.9564601149. The cubic root of 45130939 is about 356.0339860454.

The spelling of 45130939 in words is "forty-five million, one hundred thirty thousand, nine hundred thirty-nine".