45205523321 has 16 divisors (see below), whose sum is σ = 53584588800. Its totient is φ = 37313723328.

The previous prime is 45205523261. The next prime is 45205523323. The reversal of 45205523321 is 12332550254.

It is not a de Polignac number, because 45205523321 - 2⁶ = 45205523257 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45205523323) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 212966 + ... + 368463.

It is an arithmetic number, because the mean of its divisors is an integer number (3349036800).

Almost surely, 2^45205523321 is an apocalyptic number.

It is an amenable number.

45205523321 is a deficient number, since it is larger than the sum of its proper divisors (8379065479).

45205523321 is a wasteful number, since it uses less digits than its factorization.

45205523321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 581848.

The product of its (nonzero) digits is 36000, while the sum is 32.

The spelling of 45205523321 in words is "forty-five billion, two hundred five million, five hundred twenty-three thousand, three hundred twenty-one".