144445742860 has 24 divisors (see below), whose sum is σ = 303409733760. Its totient is φ = 57764264064.

The previous prime is 144445742849. The next prime is 144445742873. The reversal of 144445742860 is 68247544441.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 792465 + ... + 957544.

It is an arithmetic number, because the mean of its divisors is an integer number (12642072240).

Almost surely, 2^144445742860 is an apocalyptic number.

144445742860 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

144445742860 is an abundant number, since it is smaller than the sum of its proper divisors (158963990900).

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

144445742860 is a wasteful number, since it uses less digits than its factorization.

144445742860 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1754145 (or 1754143 counting only the distinct ones).

The product of its (nonzero) digits is 3440640, while the sum is 49.

The spelling of 144445742860 in words is "one hundred forty-four billion, four hundred forty-five million, seven hundred forty-two thousand, eight hundred sixty".