45857057 has 2 divisors, whose sum is σ = 45857058. Its totient is φ = 45857056.

The previous prime is 45857047. The next prime is 45857081. The reversal of 45857057 is 75075854.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 23804641 + 22052416 = 4879^2 + 4696^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-45857057 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (45857047) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22928528 + 22928529.

It is an arithmetic number, because the mean of its divisors is an integer number (22928529).

Almost surely, 2^45857057 is an apocalyptic number.

It is an amenable number.

45857057 is a deficient number, since it is larger than the sum of its proper divisors (1).

45857057 is an equidigital number, since it uses as much as digits as its factorization.

45857057 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 196000, while the sum is 41.

The square root of 45857057 is about 6771.7838860968. The cubic root of 45857057 is about 357.9332631548.

The spelling of 45857057 in words is "forty-five million, eight hundred fifty-seven thousand, fifty-seven".