45537298985688 has 128 divisors (see below), whose sum is σ = 118393346865600. Its totient is φ = 14583730323456.

The previous prime is 45537298985683. The next prime is 45537298985729. The reversal of 45537298985688 is 88658989273554.

It is a Cunningham number, because it is equal to 6748133²-1.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45537298985683) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 26149020 + ... + 27836052.

Almost surely, 2^{45537298985688} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 45537298985688, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (59196673432800).

45537298985688 is an abundant number, since it is smaller than the sum of its proper divisors (72856047879912).

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

45537298985688 is a wasteful number, since it uses less digits than its factorization.

45537298985688 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1687461 (or 1687457 counting only the distinct ones).

The product of its digits is 41803776000, while the sum is 87.

The spelling of 45537298985688 in words is "forty-five trillion, five hundred thirty-seven billion, two hundred ninety-eight million, nine hundred eighty-five thousand, six hundred eighty-eight".