45128660243768 has 8 divisors (see below), whose sum is σ = 84616237957080. Its totient is φ = 22564330121880.

The previous prime is 45128660243753. The next prime is 45128660243773. The reversal of 45128660243768 is 86734206682154.

It is a tau number, because it is divible by the number of its divisors (8).

It is a self number, because there is not a number n which added to its sum of digits gives 45128660243768.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2820541265228 + ... + 2820541265243.

It is an arithmetic number, because the mean of its divisors is an integer number (10577029744635).

Almost surely, 2^{45128660243768} is an apocalyptic number.

It is an amenable number.

45128660243768 is a deficient number, since it is larger than the sum of its proper divisors (39487577713312).

45128660243768 is a wasteful number, since it uses less digits than its factorization.

45128660243768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5641082530477 (or 5641082530473 counting only the distinct ones).

The product of its (nonzero) digits is 92897280, while the sum is 62.

The spelling of 45128660243768 in words is "forty-five trillion, one hundred twenty-eight billion, six hundred sixty million, two hundred forty-three thousand, seven hundred sixty-eight".