45717649 has 2 divisors, whose sum is σ = 45717650. Its totient is φ = 45717648.

The previous prime is 45717631. The next prime is 45717673. The reversal of 45717649 is 94671754.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 43467649 + 2250000 = 6593^2 + 1500^2 .

It is a cyclic number.

It is not a de Polignac number, because 45717649 - 2¹³ = 45709457 is a prime.

It is not a weakly prime, because it can be changed into another prime (45717619) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22858824 + 22858825.

It is an arithmetic number, because the mean of its divisors is an integer number (22858825).

Almost surely, 2^45717649 is an apocalyptic number.

It is an amenable number.

45717649 is a deficient number, since it is larger than the sum of its proper divisors (1).

45717649 is an equidigital number, since it uses as much as digits as its factorization.

45717649 is an evil number, because the sum of its binary digits is even.

The product of its digits is 211680, while the sum is 43.

The square root of 45717649 is about 6761.4827515864. The cubic root of 45717649 is about 357.5701826448.

The spelling of 45717649 in words is "forty-five million, seven hundred seventeen thousand, six hundred forty-nine".