45861457 has 2 divisors, whose sum is σ = 45861458. Its totient is φ = 45861456.

The previous prime is 45861451. The next prime is 45861479. The reversal of 45861457 is 75416854.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 44142736 + 1718721 = 6644^2 + 1311^2 .

It is a cyclic number.

It is not a de Polignac number, because 45861457 - 2³ = 45861449 is a prime.

It is not a weakly prime, because it can be changed into another prime (45861451) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22930728 + 22930729.

It is an arithmetic number, because the mean of its divisors is an integer number (22930729).

Almost surely, 2^45861457 is an apocalyptic number.

It is an amenable number.

45861457 is a deficient number, since it is larger than the sum of its proper divisors (1).

45861457 is an equidigital number, since it uses as much as digits as its factorization.

45861457 is an evil number, because the sum of its binary digits is even.

The product of its digits is 134400, while the sum is 40.

The square root of 45861457 is about 6772.1087557717. The cubic root of 45861457 is about 357.9447107275.

The spelling of 45861457 in words is "forty-five million, eight hundred sixty-one thousand, four hundred fifty-seven".