45450021541504 has 64 divisors (see below), whose sum is σ = 96054451611840. Its totient is φ = 21347349590016.

The previous prime is 45450021541471. The next prime is 45450021541513. The reversal of 45450021541504 is 40514512005454.

It is a tau number, because it is divible by the number of its divisors (64).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18830364 + ... + 21106459.

It is an arithmetic number, because the mean of its divisors is an integer number (1500850806435).

Almost surely, 2^{45450021541504} is an apocalyptic number.

It is an amenable number.

45450021541504 is an abundant number, since it is smaller than the sum of its proper divisors (50604430070336).

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

45450021541504 is a wasteful number, since it uses less digits than its factorization.

45450021541504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39937377 (or 39937365 counting only the distinct ones).

The product of its (nonzero) digits is 320000, while the sum is 40.

Adding to 45450021541504 its reverse (40514512005454), we get a palindrome (85964533546958).

The spelling of 45450021541504 in words is "forty-five trillion, four hundred fifty billion, twenty-one million, five hundred forty-one thousand, five hundred four".