45486791 has 4 divisors (see below), whose sum is σ = 51984912. Its totient is φ = 38988672.

The previous prime is 45486751. The next prime is 45486799. The reversal of 45486791 is 19768454.

45486791 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 45486791 - 2²² = 41292487 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45486799) 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, 3249050 + ... + 3249063.

It is an arithmetic number, because the mean of its divisors is an integer number (12996228).

Almost surely, 2^45486791 is an apocalyptic number.

45486791 is a deficient number, since it is larger than the sum of its proper divisors (6498121).

45486791 is an equidigital number, since it uses as much as digits as its factorization.

45486791 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6498120.

The product of its digits is 241920, while the sum is 44.

The square root of 45486791 is about 6744.3895943221. The cubic root of 45486791 is about 356.9672989582.

The spelling of 45486791 in words is "forty-five million, four hundred eighty-six thousand, seven hundred ninety-one".