45521532045 has 48 divisors (see below), whose sum is σ = 87908550912. Its totient is φ = 21601438080.

The previous prime is 45521532031. The next prime is 45521532061. The reversal of 45521532045 is 54023512554.

45521532045 is a `hidden beast` number, since 45 + 521 + 53 + 2 + 0 + 45 = 666.

45521532045 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 45521532045 - 2¹⁰ = 45521531021 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 955062 + ... + 1001591.

It is an arithmetic number, because the mean of its divisors is an integer number (1831428144).

Almost surely, 2^45521532045 is an apocalyptic number.

45521532045 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

45521532045 is a deficient number, since it is larger than the sum of its proper divisors (42387018867).

45521532045 is a wasteful number, since it uses less digits than its factorization.

45521532045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1956722 (or 1956719 counting only the distinct ones).

The product of its (nonzero) digits is 120000, while the sum is 36.

The spelling of 45521532045 in words is "forty-five billion, five hundred twenty-one million, five hundred thirty-two thousand, forty-five".