45145555097 has 2 divisors, whose sum is σ = 45145555098. Its totient is φ = 45145555096.

The previous prime is 45145555067. The next prime is 45145555109. The reversal of 45145555097 is 79055554154.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 36351616921 + 8793938176 = 190661^2 + 93776^2 .

It is a cyclic number.

It is not a de Polignac number, because 45145555097 - 2¹⁰ = 45145554073 is a prime.

It is a super-2 number, since 2×45145555097² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (45145555057) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22572777548 + 22572777549.

It is an arithmetic number, because the mean of its divisors is an integer number (22572777549).

Almost surely, 2^45145555097 is an apocalyptic number.

It is an amenable number.

45145555097 is a deficient number, since it is larger than the sum of its proper divisors (1).

45145555097 is an equidigital number, since it uses as much as digits as its factorization.

45145555097 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3150000, while the sum is 50.

The spelling of 45145555097 in words is "forty-five billion, one hundred forty-five million, five hundred fifty-five thousand, ninety-seven".