145515042464 has 24 divisors (see below), whose sum is σ = 312526626048. Its totient is φ = 66143200960.

The previous prime is 145515042419. The next prime is 145515042473. The reversal of 145515042464 is 464240515541.

145515042464 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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, 206697152 + ... + 206697855.

It is an arithmetic number, because the mean of its divisors is an integer number (13021942752).

Almost surely, 2^145515042464 is an apocalyptic number.

It is an amenable number.

145515042464 is an abundant number, since it is smaller than the sum of its proper divisors (167011583584).

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

145515042464 is a wasteful number, since it uses less digits than its factorization.

145515042464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 413395028 (or 413395020 counting only the distinct ones).

The product of its (nonzero) digits is 384000, while the sum is 41.

The spelling of 145515042464 in words is "one hundred forty-five billion, five hundred fifteen million, forty-two thousand, four hundred sixty-four".