45220757 has 2 divisors, whose sum is σ = 45220758. Its totient is φ = 45220756.

The previous prime is 45220739. The next prime is 45220781. The reversal of 45220757 is 75702254.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 37773316 + 7447441 = 6146^2 + 2729^2 .

It is a cyclic number.

It is not a de Polignac number, because 45220757 - 2¹⁶ = 45155221 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (45222757) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22610378 + 22610379.

It is an arithmetic number, because the mean of its divisors is an integer number (22610379).

Almost surely, 2^45220757 is an apocalyptic number.

It is an amenable number.

45220757 is a deficient number, since it is larger than the sum of its proper divisors (1).

45220757 is an equidigital number, since it uses as much as digits as its factorization.

45220757 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 19600, while the sum is 32.

The square root of 45220757 is about 6724.6380571745. The cubic root of 45220757 is about 356.2700182862.

The spelling of 45220757 in words is "forty-five million, two hundred twenty thousand, seven hundred fifty-seven".