45857761 has 2 divisors, whose sum is σ = 45857762. Its totient is φ = 45857760.

The previous prime is 45857719. The next prime is 45857767. The reversal of 45857761 is 16775854.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 40768225 + 5089536 = 6385^2 + 2256^2 .

It is a cyclic number.

It is not a de Polignac number, because 45857761 - 2⁷ = 45857633 is a prime.

It is not a weakly prime, because it can be changed into another prime (45857767) 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, 22928880 + 22928881.

It is an arithmetic number, because the mean of its divisors is an integer number (22928881).

Almost surely, 2^45857761 is an apocalyptic number.

It is an amenable number.

45857761 is a deficient number, since it is larger than the sum of its proper divisors (1).

45857761 is an equidigital number, since it uses as much as digits as its factorization.

45857761 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 235200, while the sum is 43.

The square root of 45857761 is about 6771.8358662921. The cubic root of 45857761 is about 357.9350948156.

The spelling of 45857761 in words is "forty-five million, eight hundred fifty-seven thousand, seven hundred sixty-one".