145838501788266 has 128 divisors (see below), whose sum is σ = 372517367040000. Its totient is φ = 41428163843712.

The previous prime is 145838501788237. The next prime is 145838501788279. The reversal of 145838501788266 is 662887105838541.

145838501788266 is a `hidden beast` number, since 1 + 4 + 5 + 8 + 38 + 501 + 7 + 8 + 82 + 6 + 6 = 666.

145838501788266 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 145838501788194 and 145838501788203.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 395570785 + ... + 395939291.

It is an arithmetic number, because the mean of its divisors is an integer number (2910291930000).

Almost surely, 2^{145838501788266} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 145838501788266, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (186258683520000).

145838501788266 is an abundant number, since it is smaller than the sum of its proper divisors (226678865251734).

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

145838501788266 is a wasteful number, since it uses less digits than its factorization.

145838501788266 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 374553 (or 374547 counting only the distinct ones).

The product of its (nonzero) digits is 619315200, while the sum is 72.

The spelling of 145838501788266 in words is "one hundred forty-five trillion, eight hundred thirty-eight billion, five hundred one million, seven hundred eighty-eight thousand, two hundred sixty-six".