45182210121 has 24 divisors (see below), whose sum is σ = 68846593920. Its totient is φ = 28474449696.

The previous prime is 45182210107. The next prime is 45182210141. The reversal of 45182210121 is 12101228154.

45182210121 is a `hidden beast` number, since 4 + 518 + 2 + 21 + 0 + 121 = 666.

It is not a de Polignac number, because 45182210121 - 2⁷ = 45182209993 is a prime.

It is a super-2 number, since 2×45182210121² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (45182210141) 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 in 23 ways as a sum of consecutive naturals, for example, 206166 + ... + 364511.

It is an arithmetic number, because the mean of its divisors is an integer number (2868608080).

Almost surely, 2^45182210121 is an apocalyptic number.

It is an amenable number.

45182210121 is a deficient number, since it is larger than the sum of its proper divisors (23664383799).

45182210121 is a wasteful number, since it uses less digits than its factorization.

45182210121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 571165 (or 571162 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 27.

Adding to 45182210121 its reverse (12101228154), we get a palindrome (57283438275).

The spelling of 45182210121 in words is "forty-five billion, one hundred eighty-two million, two hundred ten thousand, one hundred twenty-one".