45226609 has 2 divisors, whose sum is σ = 45226610. Its totient is φ = 45226608.

The previous prime is 45226591. The next prime is 45226619. The reversal of 45226609 is 90662254.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 39690000 + 5536609 = 6300^2 + 2353^2 .

It is a cyclic number.

It is not a de Polignac number, because 45226609 - 2⁷ = 45226481 is a prime.

It is not a weakly prime, because it can be changed into another prime (45226619) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22613304 + 22613305.

It is an arithmetic number, because the mean of its divisors is an integer number (22613305).

Almost surely, 2^45226609 is an apocalyptic number.

It is an amenable number.

45226609 is a deficient number, since it is larger than the sum of its proper divisors (1).

45226609 is an equidigital number, since it uses as much as digits as its factorization.

45226609 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 25920, while the sum is 34.

The square root of 45226609 is about 6725.0731594534. The cubic root of 45226609 is about 356.2853858767.

Adding to 45226609 its product of nonzero digits (25920), we get a square (45252529 = 6727²).

The spelling of 45226609 in words is "forty-five million, two hundred twenty-six thousand, six hundred nine".