45524024221 has 8 divisors (see below), whose sum is σ = 50350896344. Its totient is φ = 40886441280.

The previous prime is 45524024207. The next prime is 45524024251. The reversal of 45524024221 is 12242042554.

It can be written as a sum of positive squares in 4 ways, for example, as 3954523225 + 41569500996 = 62885^2 + 203886^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 45524024221 - 2²⁵ = 45490469789 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45524024251) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 47321790 + ... + 47322751.

It is an arithmetic number, because the mean of its divisors is an integer number (6293862043).

Almost surely, 2^45524024221 is an apocalyptic number.

It is an amenable number.

45524024221 is a deficient number, since it is larger than the sum of its proper divisors (4826872123).

45524024221 is a wasteful number, since it uses less digits than its factorization.

45524024221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94644591.

The product of its (nonzero) digits is 25600, while the sum is 31.

Adding to 45524024221 its reverse (12242042554), we get a palindrome (57766066775).

The spelling of 45524024221 in words is "forty-five billion, five hundred twenty-four million, twenty-four thousand, two hundred twenty-one".