45342705521 has 8 divisors (see below), whose sum is σ = 45784699200. Its totient is φ = 44901049648.

The previous prime is 45342705511. The next prime is 45342705523. The reversal of 45342705521 is 12550724354.

45342705521 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 45342705521 - 2²² = 45338511217 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (45342705523) 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, 189620 + ... + 355866.

It is an arithmetic number, because the mean of its divisors is an integer number (5723087400).

Almost surely, 2^45342705521 is an apocalyptic number.

It is an amenable number.

45342705521 is a deficient number, since it is larger than the sum of its proper divisors (441993679).

45342705521 is a wasteful number, since it uses less digits than its factorization.

45342705521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 168903.

The product of its (nonzero) digits is 168000, while the sum is 38.

The spelling of 45342705521 in words is "forty-five billion, three hundred forty-two million, seven hundred five thousand, five hundred twenty-one".