144578457834 has 32 divisors (see below), whose sum is σ = 290630177280. Its totient is φ = 47947768512.

The previous prime is 144578457791. The next prime is 144578457853. The reversal of 144578457834 is 438754875441.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1121959 + ... + 1244165.

It is an arithmetic number, because the mean of its divisors is an integer number (9082193040).

Almost surely, 2^144578457834 is an apocalyptic number.

144578457834 is an abundant number, since it is smaller than the sum of its proper divisors (146051719446).

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

144578457834 is a wasteful number, since it uses less digits than its factorization.

144578457834 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123214.

The product of its digits is 60211200, while the sum is 60.

The spelling of 144578457834 in words is "one hundred forty-four billion, five hundred seventy-eight million, four hundred fifty-seven thousand, eight hundred thirty-four".