45726391 has 2 divisors, whose sum is σ = 45726392. Its totient is φ = 45726390.

The previous prime is 45726389. The next prime is 45726409. The reversal of 45726391 is 19362754.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 45726391 - 2¹ = 45726389 is a prime.

Together with 45726389, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 45726391.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (45720391) 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, 22863195 + 22863196.

It is an arithmetic number, because the mean of its divisors is an integer number (22863196).

Almost surely, 2^45726391 is an apocalyptic number.

45726391 is a deficient number, since it is larger than the sum of its proper divisors (1).

45726391 is an equidigital number, since it uses as much as digits as its factorization.

45726391 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 45360, while the sum is 37.

The square root of 45726391 is about 6762.1291765242. The cubic root of 45726391 is about 357.5929723798.

The spelling of 45726391 in words is "forty-five million, seven hundred twenty-six thousand, three hundred ninety-one".