45911791 has 2 divisors, whose sum is σ = 45911792. Its totient is φ = 45911790.

The previous prime is 45911773. The next prime is 45911813. The reversal of 45911791 is 19711954.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-45911791 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 45911791.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (45911731) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22955895 + 22955896.

It is an arithmetic number, because the mean of its divisors is an integer number (22955896).

Almost surely, 2^45911791 is an apocalyptic number.

45911791 is a deficient number, since it is larger than the sum of its proper divisors (1).

45911791 is an equidigital number, since it uses as much as digits as its factorization.

45911791 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 11340, while the sum is 37.

The square root of 45911791 is about 6775.8240089306. The cubic root of 45911791 is about 358.0756136904.

The spelling of 45911791 in words is "forty-five million, nine hundred eleven thousand, seven hundred ninety-one".