45252941548221 has 24 divisors (see below), whose sum is σ = 71423991284256. Its totient is φ = 27381284483040.

The previous prime is 45252941548189. The next prime is 45252941548267. The reversal of 45252941548221 is 12284514925254.

45252941548221 is a `hidden beast` number, since 4 + 5 + 2 + 5 + 2 + 94 + 1 + 548 + 2 + 2 + 1 = 666.

It is not a de Polignac number, because 45252941548221 - 2⁵ = 45252941548189 is a prime.

It is a super-3 number, since 3×45252941548221³ (a number of 42 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45252941588221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 372778155 + ... + 372899528.

It is an arithmetic number, because the mean of its divisors is an integer number (2975999636844).

Almost surely, 2^{45252941548221} is an apocalyptic number.

It is an amenable number.

45252941548221 is a deficient number, since it is larger than the sum of its proper divisors (26171049736035).

45252941548221 is a wasteful number, since it uses less digits than its factorization.

45252941548221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 745678313 (or 745678310 counting only the distinct ones).

The product of its digits is 9216000, while the sum is 54.

The spelling of 45252941548221 in words is "forty-five trillion, two hundred fifty-two billion, nine hundred forty-one million, five hundred forty-eight thousand, two hundred twenty-one".