45891757 has 2 divisors, whose sum is σ = 45891758. Its totient is φ = 45891756.

The previous prime is 45891737. The next prime is 45891817. The reversal of 45891757 is 75719854.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 29658916 + 16232841 = 5446^2 + 4029^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-45891757 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (45891737) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22945878 + 22945879.

It is an arithmetic number, because the mean of its divisors is an integer number (22945879).

Almost surely, 2^45891757 is an apocalyptic number.

It is an amenable number.

45891757 is a deficient number, since it is larger than the sum of its proper divisors (1).

45891757 is an equidigital number, since it uses as much as digits as its factorization.

45891757 is an evil number, because the sum of its binary digits is even.

The product of its digits is 352800, while the sum is 46.

The square root of 45891757 is about 6774.3455034416. The cubic root of 45891757 is about 358.0235230010.

The spelling of 45891757 in words is "forty-five million, eight hundred ninety-one thousand, seven hundred fifty-seven".