45543997758 has 96 divisors (see below), whose sum is σ = 109700379648. Its totient is φ = 12555648000.

The previous prime is 45543997711. The next prime is 45543997799. The reversal of 45543997758 is 85779934554.

It is a happy number.

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, 3155358 + ... + 3169758.

It is an arithmetic number, because the mean of its divisors is an integer number (1142712288).

Almost surely, 2^45543997758 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 45543997758, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (54850189824).

45543997758 is an abundant number, since it is smaller than the sum of its proper divisors (64156381890).

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

45543997758 is a wasteful number, since it uses less digits than its factorization.

45543997758 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14798 (or 14791 counting only the distinct ones).

The product of its digits is 190512000, while the sum is 66.

The spelling of 45543997758 in words is "forty-five billion, five hundred forty-three million, nine hundred ninety-seven thousand, seven hundred fifty-eight".