45242220533121 has 16 divisors (see below), whose sum is σ = 67027453296000. Its totient is φ = 30160606727664.

The previous prime is 45242220533093. The next prime is 45242220533137. The reversal of 45242220533121 is 12133502224254.

45242220533121 is a `hidden beast` number, since 4 + 5 + 2 + 422 + 205 + 3 + 3 + 1 + 21 = 666.

45242220533121 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 45242220533121 - 2¹³ = 45242220524929 is a prime.

It is not an unprimeable number, because it can be changed into a prime (45242220533821) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23317341 + ... + 25182986.

It is an arithmetic number, because the mean of its divisors is an integer number (4189215831000).

Almost surely, 2^{45242220533121} is an apocalyptic number.

It is an amenable number.

45242220533121 is a deficient number, since it is larger than the sum of its proper divisors (21785232762879).

45242220533121 is a wasteful number, since it uses less digits than its factorization.

45242220533121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48534885 (or 48534879 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 36.

Adding to 45242220533121 its reverse (12133502224254), we get a palindrome (57375722757375).

The spelling of 45242220533121 in words is "forty-five trillion, two hundred forty-two billion, two hundred twenty million, five hundred thirty-three thousand, one hundred twenty-one".