145234221512032 has 48 divisors (see below), whose sum is σ = 286622582324400. Its totient is φ = 72441197199360.

The previous prime is 145234221511987. The next prime is 145234221512041. The reversal of 145234221512032 is 230215122432541.

It is a junction number, because it is equal to n+sod(n) for n = 145234221511982 and 145234221512000.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 404326432 + ... + 404685472.

It is an arithmetic number, because the mean of its divisors is an integer number (5971303798425).

Almost surely, 2^{145234221512032} is an apocalyptic number.

It is an amenable number.

145234221512032 is a deficient number, since it is larger than the sum of its proper divisors (141388360812368).

145234221512032 is a wasteful number, since it uses less digits than its factorization.

145234221512032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 389639 (or 389631 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 37.

Adding to 145234221512032 its reverse (230215122432541), we get a palindrome (375449343944573).

The spelling of 145234221512032 in words is "one hundred forty-five trillion, two hundred thirty-four billion, two hundred twenty-one million, five hundred twelve thousand, thirty-two".