145778618648 has 16 divisors (see below), whose sum is σ = 294360672480. Its totient is φ = 67282439328.

The previous prime is 145778618647. The next prime is 145778618677. The reversal of 145778618648 is 846816877541.

145778618648 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145778618647) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 700858640 + ... + 700858847.

It is an arithmetic number, because the mean of its divisors is an integer number (18397542030).

Almost surely, 2^145778618648 is an apocalyptic number.

It is an amenable number.

145778618648 is an abundant number, since it is smaller than the sum of its proper divisors (148582053832).

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

145778618648 is a wasteful number, since it uses less digits than its factorization.

145778618648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1401717506 (or 1401717502 counting only the distinct ones).

The product of its digits is 72253440, while the sum is 65.

The spelling of 145778618648 in words is "one hundred forty-five billion, seven hundred seventy-eight million, six hundred eighteen thousand, six hundred forty-eight".