144311002143420 has 144 divisors (see below), whose sum is σ = 482746218877440. Its totient is φ = 31551225264768.

The previous prime is 144311002143379. The next prime is 144311002143457. The reversal of 144311002143420 is 24341200113441.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 324539280 + ... + 324983639.

It is an arithmetic number, because the mean of its divisors is an integer number (3352404297760).

Almost surely, 2^{144311002143420} is an apocalyptic number.

144311002143420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

144311002143420 is an abundant number, since it is smaller than the sum of its proper divisors (338435216734020).

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

144311002143420 is a wasteful number, since it uses less digits than its factorization.

144311002143420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 649522984 (or 649522959 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 30.

Adding to 144311002143420 its reverse (24341200113441), we get a palindrome (168652202256861).

The spelling of 144311002143420 in words is "one hundred forty-four trillion, three hundred eleven billion, two million, one hundred forty-three thousand, four hundred twenty".