144154540420 has 96 divisors (see below), whose sum is σ = 340582467456. Its totient is φ = 50790758400.

The previous prime is 144154540357. The next prime is 144154540423. The reversal of 144154540420 is 24045451441.

It is not an unprimeable number, because it can be changed into a prime (144154540423) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1924999 + ... + 1998481.

It is an arithmetic number, because the mean of its divisors is an integer number (3547734036).

Almost surely, 2^144154540420 is an apocalyptic number.

144154540420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 144154540420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (170291233728).

144154540420 is an abundant number, since it is smaller than the sum of its proper divisors (196427927036).

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

144154540420 is a wasteful number, since it uses less digits than its factorization.

144154540420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73781 (or 73779 counting only the distinct ones).

The product of its (nonzero) digits is 51200, while the sum is 34.

Adding to 144154540420 its reverse (24045451441), we get a palindrome (168199991861).

The spelling of 144154540420 in words is "one hundred forty-four billion, one hundred fifty-four million, five hundred forty thousand, four hundred twenty".