45875091 has 4 divisors (see below), whose sum is σ = 61166792. Its totient is φ = 30583392.

The previous prime is 45875057. The next prime is 45875113. The reversal of 45875091 is 19057854.

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

It is not a de Polignac number, because 45875091 - 2⁷ = 45874963 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45875191) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7645846 + ... + 7645851.

It is an arithmetic number, because the mean of its divisors is an integer number (15291698).

Almost surely, 2^45875091 is an apocalyptic number.

45875091 is a deficient number, since it is larger than the sum of its proper divisors (15291701).

45875091 is a wasteful number, since it uses less digits than its factorization.

45875091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15291700.

The product of its (nonzero) digits is 50400, while the sum is 39.

The square root of 45875091 is about 6773.1153098113. The cubic root of 45875091 is about 357.9801779439.

The spelling of 45875091 in words is "forty-five million, eight hundred seventy-five thousand, ninety-one".