18345150303156 has 288 divisors, whose sum is σ = 52642479052800. Its totient is φ = 5567926573440.

The previous prime is 18345150303143. The next prime is 18345150303163. The reversal of 18345150303156 is 65130305154381.

18345150303156 is a `hidden beast` number, since 1 + 8 + 3 + 45 + 150 + 303 + 156 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 45831735 + ... + 46230273.

It is an arithmetic number, because the mean of its divisors is an integer number (182786385600).

Almost surely, 2^{18345150303156} 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 18345150303156, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26321239526400).

18345150303156 is an abundant number, since it is smaller than the sum of its proper divisors (34297328749644).

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

18345150303156 is a wasteful number, since it uses less digits than its factorization.

18345150303156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 398681 (or 398667 counting only the distinct ones).

The product of its (nonzero) digits is 648000, while the sum is 45.

The spelling of 18345150303156 in words is "eighteen trillion, three hundred forty-five billion, one hundred fifty million, three hundred three thousand, one hundred fifty-six".