45890771 has 2 divisors, whose sum is σ = 45890772. Its totient is φ = 45890770.

The previous prime is 45890759. The next prime is 45890791. The reversal of 45890771 is 17709854.

Added to its reverse (17709854) it gives a square (63600625 = 7975²).

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-45890771 is a prime.

It is not a weakly prime, because it can be changed into another prime (45890791) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22945385 + 22945386.

It is an arithmetic number, because the mean of its divisors is an integer number (22945386).

Almost surely, 2^45890771 is an apocalyptic number.

45890771 is a deficient number, since it is larger than the sum of its proper divisors (1).

45890771 is an equidigital number, since it uses as much as digits as its factorization.

45890771 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 70560, while the sum is 41.

The square root of 45890771 is about 6774.2727284927. The cubic root of 45890771 is about 358.0209588970.

Adding to 45890771 its reverse (17709854), we get a square (63600625 = 7975²).

The spelling of 45890771 in words is "forty-five million, eight hundred ninety thousand, seven hundred seventy-one".