145801513912 has 32 divisors (see below), whose sum is σ = 276882328800. Its totient is φ = 71971058304.

The previous prime is 145801513849. The next prime is 145801513939. The reversal of 145801513912 is 219315108541.

145801513912 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×145801513912² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 60268 + ... + 543355.

It is an arithmetic number, because the mean of its divisors is an integer number (8652572775).

Almost surely, 2^145801513912 is an apocalyptic number.

It is an amenable number.

145801513912 is a deficient number, since it is larger than the sum of its proper divisors (131080814888).

145801513912 is a wasteful number, since it uses less digits than its factorization.

145801513912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 604015 (or 604011 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 40.

The spelling of 145801513912 in words is "one hundred forty-five billion, eight hundred one million, five hundred thirteen thousand, nine hundred twelve".