45155825009 has 2 divisors, whose sum is σ = 45155825010. Its totient is φ = 45155825008.

The previous prime is 45155824957. The next prime is 45155825059. The reversal of 45155825009 is 90052855154.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 33939955984 + 11215869025 = 184228^2 + 105905^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-45155825009 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (45155825059) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22577912504 + 22577912505.

It is an arithmetic number, because the mean of its divisors is an integer number (22577912505).

Almost surely, 2^45155825009 is an apocalyptic number.

It is an amenable number.

45155825009 is a deficient number, since it is larger than the sum of its proper divisors (1).

45155825009 is an equidigital number, since it uses as much as digits as its factorization.

45155825009 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 360000, while the sum is 44.

The spelling of 45155825009 in words is "forty-five billion, one hundred fifty-five million, eight hundred twenty-five thousand, nine".