45121255224 has 32 divisors (see below), whose sum is σ = 113370000000. Its totient is φ = 14964836832.

The previous prime is 45121255213. The next prime is 45121255241. The reversal of 45121255224 is 42255212154.

It is a super-4 number, since 4×45121255224⁴ (a number of 44 digits) contains 4444 as substring.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 4718974 + ... + 4728525.

It is an arithmetic number, because the mean of its divisors is an integer number (3542812500).

Almost surely, 2^45121255224 is an apocalyptic number.

It is an amenable number.

45121255224 is an abundant number, since it is smaller than the sum of its proper divisors (68248744776).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

45121255224 is a wasteful number, since it uses less digits than its factorization.

45121255224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9447707 (or 9447703 counting only the distinct ones).

The product of its digits is 32000, while the sum is 33.

Adding to 45121255224 its reverse (42255212154), we get a palindrome (87376467378).

The spelling of 45121255224 in words is "forty-five billion, one hundred twenty-one million, two hundred fifty-five thousand, two hundred twenty-four".