45545324121 has 48 divisors (see below), whose sum is σ = 76045851648. Its totient is φ = 25960435200.

The previous prime is 45545324101. The next prime is 45545324171. The reversal of 45545324121 is 12142354554.

45545324121 is a `hidden beast` number, since 45 + 545 + 32 + 41 + 2 + 1 = 666.

It is not a de Polignac number, because 45545324121 - 2⁹ = 45545323609 is a prime.

It is not an unprimeable number, because it can be changed into a prime (45545324101) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2466495 + ... + 2484891.

It is an arithmetic number, because the mean of its divisors is an integer number (1584288576).

Almost surely, 2^45545324121 is an apocalyptic number.

It is an amenable number.

45545324121 is a deficient number, since it is larger than the sum of its proper divisors (30500527527).

45545324121 is a wasteful number, since it uses less digits than its factorization.

45545324121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19902 (or 19899 counting only the distinct ones).

The product of its digits is 96000, while the sum is 36.

Adding to 45545324121 its reverse (12142354554), we get a palindrome (57687678675).

The spelling of 45545324121 in words is "forty-five billion, five hundred forty-five million, three hundred twenty-four thousand, one hundred twenty-one".