145044315616 has 24 divisors (see below), whose sum is σ = 297971475984. Its totient is φ = 69369020160.

The previous prime is 145044315599. The next prime is 145044315623. The reversal of 145044315616 is 616513440541.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 98534805 + ... + 98536276.

It is an arithmetic number, because the mean of its divisors is an integer number (12415478166).

Almost surely, 2^145044315616 is an apocalyptic number.

145044315616 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

145044315616 is an abundant number, since it is smaller than the sum of its proper divisors (152927160368).

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

145044315616 is a wasteful number, since it uses less digits than its factorization.

145044315616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 197071114 (or 197071106 counting only the distinct ones).

The product of its (nonzero) digits is 172800, while the sum is 40.

The spelling of 145044315616 in words is "one hundred forty-five billion, forty-four million, three hundred fifteen thousand, six hundred sixteen".