45897689 has 2 divisors, whose sum is σ = 45897690. Its totient is φ = 45897688.

The previous prime is 45897659. The next prime is 45897707. The reversal of 45897689 is 98679854.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 40857664 + 5040025 = 6392^2 + 2245^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-45897689 is a prime.

It is not a weakly prime, because it can be changed into another prime (45897619) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22948844 + 22948845.

It is an arithmetic number, because the mean of its divisors is an integer number (22948845).

Almost surely, 2^45897689 is an apocalyptic number.

It is an amenable number.

45897689 is a deficient number, since it is larger than the sum of its proper divisors (1).

45897689 is an equidigital number, since it uses as much as digits as its factorization.

45897689 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4354560, while the sum is 56.

The square root of 45897689 is about 6774.7833175682. The cubic root of 45897689 is about 358.0389484585.

The spelling of 45897689 in words is "forty-five million, eight hundred ninety-seven thousand, six hundred eighty-nine".