45230191 has 2 divisors, whose sum is σ = 45230192. Its totient is φ = 45230190.

The previous prime is 45230189. The next prime is 45230261. The reversal of 45230191 is 19103254.

45230191 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 45230191 - 2¹ = 45230189 is a prime.

Together with 45230189, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (45230491) 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 as a sum of consecutive naturals, namely, 22615095 + 22615096.

It is an arithmetic number, because the mean of its divisors is an integer number (22615096).

Almost surely, 2^45230191 is an apocalyptic number.

45230191 is a deficient number, since it is larger than the sum of its proper divisors (1).

45230191 is an equidigital number, since it uses as much as digits as its factorization.

45230191 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1080, while the sum is 25.

The square root of 45230191 is about 6725.3394709858. The cubic root of 45230191 is about 356.2947917006.

The spelling of 45230191 in words is "forty-five million, two hundred thirty thousand, one hundred ninety-one".