45421255776171 has 32 divisors (see below), whose sum is σ = 66688195795200. Its totient is φ = 27270186094080.

The previous prime is 45421255776167. The next prime is 45421255776209. The reversal of 45421255776171 is 17167755212454.

It is a happy number.

It is not a de Polignac number, because 45421255776171 - 2² = 45421255776167 is a prime.

It is not an unprimeable number, because it can be changed into a prime (45421255776671) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8737626 + ... + 12930143.

It is an arithmetic number, because the mean of its divisors is an integer number (2084006118600).

Almost surely, 2^{45421255776171} is an apocalyptic number.

45421255776171 is a deficient number, since it is larger than the sum of its proper divisors (21266940019029).

45421255776171 is a wasteful number, since it uses less digits than its factorization.

45421255776171 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21668379.

The product of its digits is 16464000, while the sum is 57.

The spelling of 45421255776171 in words is "forty-five trillion, four hundred twenty-one billion, two hundred fifty-five million, seven hundred seventy-six thousand, one hundred seventy-one".