45645555001 has 2 divisors, whose sum is σ = 45645555002. Its totient is φ = 45645555000.

The previous prime is 45645554923. The next prime is 45645555017. The reversal of 45645555001 is 10055554654.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 33819210000 + 11826345001 = 183900^2 + 108749^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-45645555001 is a prime.

It is a super-2 number, since 2×45645555001² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (45645553001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22822777500 + 22822777501.

It is an arithmetic number, because the mean of its divisors is an integer number (22822777501).

Almost surely, 2^45645555001 is an apocalyptic number.

It is an amenable number.

45645555001 is a deficient number, since it is larger than the sum of its proper divisors (1).

45645555001 is an equidigital number, since it uses as much as digits as its factorization.

45645555001 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 300000, while the sum is 40.

The spelling of 45645555001 in words is "forty-five billion, six hundred forty-five million, five hundred fifty-five thousand, one".