144181285240 has 64 divisors (see below), whose sum is σ = 335504332800. Its totient is φ = 55730882688.

The previous prime is 144181285219. The next prime is 144181285289. The reversal of 144181285240 is 42582181441.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a junction number, because it is equal to n+sod(n) for n = 144181285193 and 144181285202.

It is a congruent 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, 336874 + ... + 633913.

It is an arithmetic number, because the mean of its divisors is an integer number (5242255200).

Almost surely, 2^144181285240 is an apocalyptic number.

144181285240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

144181285240 is an abundant number, since it is smaller than the sum of its proper divisors (191323047560).

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

144181285240 is a wasteful number, since it uses less digits than its factorization.

144181285240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 970924 (or 970920 counting only the distinct ones).

The product of its (nonzero) digits is 81920, while the sum is 40.

The spelling of 144181285240 in words is "one hundred forty-four billion, one hundred eighty-one million, two hundred eighty-five thousand, two hundred forty".