45424443153209 has 2 divisors, whose sum is σ = 45424443153210. Its totient is φ = 45424443153208.

The previous prime is 45424443153149. The next prime is 45424443153217. The reversal of 45424443153209 is 90235134442454.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 36012721123600 + 9411722029609 = 6001060^2 + 3067853^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-45424443153209 is a prime.

It is not a weakly prime, because it can be changed into another prime (45424443153409) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22712221576604 + 22712221576605.

It is an arithmetic number, because the mean of its divisors is an integer number (22712221576605).

Almost surely, 2^{45424443153209} is an apocalyptic number.

It is an amenable number.

45424443153209 is a deficient number, since it is larger than the sum of its proper divisors (1).

45424443153209 is an equidigital number, since it uses as much as digits as its factorization.

45424443153209 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8294400, while the sum is 50.

The spelling of 45424443153209 in words is "forty-five trillion, four hundred twenty-four billion, four hundred forty-three million, one hundred fifty-three thousand, two hundred nine".