45790457 has 2 divisors, whose sum is σ = 45790458. Its totient is φ = 45790456.

The previous prime is 45790439. The next prime is 45790477. The reversal of 45790457 is 75409754.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 43705321 + 2085136 = 6611^2 + 1444^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-45790457 is a prime.

It is not a weakly prime, because it can be changed into another prime (45790417) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22895228 + 22895229.

It is an arithmetic number, because the mean of its divisors is an integer number (22895229).

Almost surely, 2^45790457 is an apocalyptic number.

It is an amenable number.

45790457 is a deficient number, since it is larger than the sum of its proper divisors (1).

45790457 is an equidigital number, since it uses as much as digits as its factorization.

45790457 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 176400, while the sum is 41.

The square root of 45790457 is about 6766.8646358561. The cubic root of 45790457 is about 357.7598990340.

The spelling of 45790457 in words is "forty-five million, seven hundred ninety thousand, four hundred fifty-seven".