45171373201520 has 20 divisors (see below), whose sum is σ = 105023442693720. Its totient is φ = 18068549280576.

The previous prime is 45171373201499. The next prime is 45171373201601. The reversal of 45171373201520 is 2510237317154.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 282321082430 + ... + 282321082589.

It is an arithmetic number, because the mean of its divisors is an integer number (5251172134686).

Almost surely, 2^{45171373201520} is an apocalyptic number.

45171373201520 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

45171373201520 is an abundant number, since it is smaller than the sum of its proper divisors (59852069492200).

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

45171373201520 is a wasteful number, since it uses less digits than its factorization.

45171373201520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 564642165032 (or 564642165026 counting only the distinct ones).

The product of its (nonzero) digits is 176400, while the sum is 41.

The spelling of 45171373201520 in words is "forty-five trillion, one hundred seventy-one billion, three hundred seventy-three million, two hundred one thousand, five hundred twenty".