45928191 has 4 divisors (see below), whose sum is σ = 61237592. Its totient is φ = 30618792.

The previous prime is 45928189. The next prime is 45928243. The reversal of 45928191 is 19182954.

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

It is not a de Polignac number, because 45928191 - 2¹ = 45928189 is a prime.

It is a Duffinian number.

It is a plaindrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45928691) 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, 7654696 + ... + 7654701.

It is an arithmetic number, because the mean of its divisors is an integer number (15309398).

Almost surely, 2^45928191 is an apocalyptic number.

45928191 is a deficient number, since it is larger than the sum of its proper divisors (15309401).

45928191 is a wasteful number, since it uses less digits than its factorization.

45928191 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15309400.

The product of its digits is 25920, while the sum is 39.

The square root of 45928191 is about 6777.0340857930. The cubic root of 45928191 is about 358.1182442859.

The spelling of 45928191 in words is "forty-five million, nine hundred twenty-eight thousand, one hundred ninety-one".